9x-4=4(x-1)5x+4

Simple and best practice solution for 9x-4=4(x-1)5x+4 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 9x-4=4(x-1)5x+4 equation:


Simplifying
9x + -4 = 4(x + -1) * 5x + 4

Reorder the terms:
-4 + 9x = 4(x + -1) * 5x + 4

Reorder the terms:
-4 + 9x = 4(-1 + x) * 5x + 4

Reorder the terms for easier multiplication:
-4 + 9x = 4 * 5x(-1 + x) + 4

Multiply 4 * 5
-4 + 9x = 20x(-1 + x) + 4
-4 + 9x = (-1 * 20x + x * 20x) + 4
-4 + 9x = (-20x + 20x2) + 4

Reorder the terms:
-4 + 9x = 4 + -20x + 20x2

Solving
-4 + 9x = 4 + -20x + 20x2

Solving for variable 'x'.

Reorder the terms:
-4 + -4 + 9x + 20x + -20x2 = 4 + -20x + 20x2 + -4 + 20x + -20x2

Combine like terms: -4 + -4 = -8
-8 + 9x + 20x + -20x2 = 4 + -20x + 20x2 + -4 + 20x + -20x2

Combine like terms: 9x + 20x = 29x
-8 + 29x + -20x2 = 4 + -20x + 20x2 + -4 + 20x + -20x2

Reorder the terms:
-8 + 29x + -20x2 = 4 + -4 + -20x + 20x + 20x2 + -20x2

Combine like terms: 4 + -4 = 0
-8 + 29x + -20x2 = 0 + -20x + 20x + 20x2 + -20x2
-8 + 29x + -20x2 = -20x + 20x + 20x2 + -20x2

Combine like terms: -20x + 20x = 0
-8 + 29x + -20x2 = 0 + 20x2 + -20x2
-8 + 29x + -20x2 = 20x2 + -20x2

Combine like terms: 20x2 + -20x2 = 0
-8 + 29x + -20x2 = 0

Begin completing the square.  Divide all terms by
-20 the coefficient of the squared term: 

Divide each side by '-20'.
0.4 + -1.45x + x2 = 0

Move the constant term to the right:

Add '-0.4' to each side of the equation.
0.4 + -1.45x + -0.4 + x2 = 0 + -0.4

Reorder the terms:
0.4 + -0.4 + -1.45x + x2 = 0 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + -1.45x + x2 = 0 + -0.4
-1.45x + x2 = 0 + -0.4

Combine like terms: 0 + -0.4 = -0.4
-1.45x + x2 = -0.4

The x term is -1.45x.  Take half its coefficient (-0.725).
Square it (0.525625) and add it to both sides.

Add '0.525625' to each side of the equation.
-1.45x + 0.525625 + x2 = -0.4 + 0.525625

Reorder the terms:
0.525625 + -1.45x + x2 = -0.4 + 0.525625

Combine like terms: -0.4 + 0.525625 = 0.125625
0.525625 + -1.45x + x2 = 0.125625

Factor a perfect square on the left side:
(x + -0.725)(x + -0.725) = 0.125625

Calculate the square root of the right side: 0.354436172

Break this problem into two subproblems by setting 
(x + -0.725) equal to 0.354436172 and -0.354436172.

Subproblem 1

x + -0.725 = 0.354436172 Simplifying x + -0.725 = 0.354436172 Reorder the terms: -0.725 + x = 0.354436172 Solving -0.725 + x = 0.354436172 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.725' to each side of the equation. -0.725 + 0.725 + x = 0.354436172 + 0.725 Combine like terms: -0.725 + 0.725 = 0.000 0.000 + x = 0.354436172 + 0.725 x = 0.354436172 + 0.725 Combine like terms: 0.354436172 + 0.725 = 1.079436172 x = 1.079436172 Simplifying x = 1.079436172

Subproblem 2

x + -0.725 = -0.354436172 Simplifying x + -0.725 = -0.354436172 Reorder the terms: -0.725 + x = -0.354436172 Solving -0.725 + x = -0.354436172 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.725' to each side of the equation. -0.725 + 0.725 + x = -0.354436172 + 0.725 Combine like terms: -0.725 + 0.725 = 0.000 0.000 + x = -0.354436172 + 0.725 x = -0.354436172 + 0.725 Combine like terms: -0.354436172 + 0.725 = 0.370563828 x = 0.370563828 Simplifying x = 0.370563828

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.079436172, 0.370563828}

See similar equations:

| 1.7=y-2.2 | | 1+11(x-10)=-2(-x+2)-6x | | -67-K=0 | | 2x-8x+78=4x+28 | | 9/(x-4)=1 | | 27=x^2/3 | | 40+8x=2(7x-1) | | (3+2i)(1+7i)= | | 6(5m-10)=4(7m-9) | | 4c-c=36 | | P/-4=4.2 | | 5x+7=3x-35 | | -t-10=14 | | -9=13w | | 5.5+0.7x-5.8x=2.44 | | 80/x-4=6 | | 6q+2q=32 | | L+(-75)=0 | | h^3+18=18 | | 9.5m=-133 | | J-4=1.41 | | 30=-w/5 | | -3(p-12)-11p=-3(p-2)-8p | | (-4x)-15=45 | | 2(6x-6)=-37+7x | | -16w=-11 | | ax^2-3x+4=0 | | 80/×-4=6 | | 6x^4-53x^3-77x^2+1276x-2070=0 | | 9*(x-2)=3x*(x-2) | | w/2=-20 | | 4+8(8v+7)=252 |

Equations solver categories