4x-(7x+7)=4x-21

Simple and best practice solution for 4x-(7x+7)=4x-21 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 4x-(7x+7)=4x-21 equation:


Simplifying
4x + -1(7x + 7) = 4x + -21

Reorder the terms:
4x + -1(7 + 7x) = 4x + -21
4x + (7 * -1 + 7x * -1) = 4x + -21
4x + (-7 + -7x) = 4x + -21

Reorder the terms:
-7 + 4x + -7x = 4x + -21

Combine like terms: 4x + -7x = -3x
-7 + -3x = 4x + -21

Reorder the terms:
-7 + -3x = -21 + 4x

Solving
-7 + -3x = -21 + 4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4x' to each side of the equation.
-7 + -3x + -4x = -21 + 4x + -4x

Combine like terms: -3x + -4x = -7x
-7 + -7x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
-7 + -7x = -21 + 0
-7 + -7x = -21

Add '7' to each side of the equation.
-7 + 7 + -7x = -21 + 7

Combine like terms: -7 + 7 = 0
0 + -7x = -21 + 7
-7x = -21 + 7

Combine like terms: -21 + 7 = -14
-7x = -14

Divide each side by '-7'.
x = 2

Simplifying
x = 2

See similar equations:

| 24x^2-6x-12=0 | | v^2+25=36 | | 25y-20+4y-3=180 | | 76=-n-35 | | 11/6x=-1 | | 70c+20=200 | | -140/10 | | r-2(r-1)=5r-5 | | 1+5n=7n+7 | | yp-yz=t | | Ax+3x+bx=-5x+12x | | 3-5=8x+7 | | 13+10x-4=31 | | -3(25-2)-6=-2(5s+9)-2 | | H/2=3 | | -10=-12+0.5n | | 16p=8p-8 | | C=25+81 | | (N+3)n=90 | | 40=.5*6*x^2 | | 2z=2z | | -6+k-12=18 | | 2/10=x/15 | | x^2/x-2= | | 2x^28=0 | | (7/8)24x | | 9x-15x^2-27x^3= | | x^2/x-2 | | 3x+6x^2-10x^3= | | -14=-11t | | 2x^3/x-2= | | 5a+(-3a)= |

Equations solver categories