12(x+1)=3(rx+9)-15

Simple and best practice solution for 12(x+1)=3(rx+9)-15 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 12(x+1)=3(rx+9)-15 equation: 


Simplifying
12(x + 1) = 3(rx + 9) + -15

Reorder the terms:
12(1 + x) = 3(rx + 9) + -15
(1 * 12 + x * 12) = 3(rx + 9) + -15
(12 + 12x) = 3(rx + 9) + -15

Reorder the terms:
12 + 12x = 3(9 + rx) + -15
12 + 12x = (9 * 3 + rx * 3) + -15
12 + 12x = (27 + 3rx) + -15

Reorder the terms:
12 + 12x = 27 + -15 + 3rx

Combine like terms: 27 + -15 = 12
12 + 12x = 12 + 3rx

Add '-12' to each side of the equation.
12 + -12 + 12x = 12 + -12 + 3rx

Combine like terms: 12 + -12 = 0
0 + 12x = 12 + -12 + 3rx
12x = 12 + -12 + 3rx

Combine like terms: 12 + -12 = 0
12x = 0 + 3rx
12x = 3rx

Solving
12x = 3rx

Solving for variable 'x'.

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

Add '-3rx' to each side of the equation.
-3rx + 12x = 3rx + -3rx

Combine like terms: 3rx + -3rx = 0
-3rx + 12x = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-1r + 4) = 0

Ignore the factor 3.

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

Subproblem 2
Set the factor '(-1r + 4)' equal to zero and attempt to solve:

Simplifying
-1r + 4 = 0

Reorder the terms:
4 + -1r = 0

Solving
4 + -1r = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1r = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1r = 0 + -4
-1r = 0 + -4

Combine like terms: 0 + -4 = -4
-1r = -4

Add 'r' to each side of the equation.
-1r + r = -4 + r

Combine like terms: -1r + r = 0
0 = -4 + r

Simplifying
0 = -4 + r

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

See similar equations:

| -8(x+5)=-10(x+4) | | 4-2x=x-14 | | 30=3y-12 | | 3x-2(x-k)+4(-k-2x)+1=0 | | 32x+7=40x-7 | | 9g^2-16= | | 25x^2-6x+36=-66x | | 0.32x=31 | | x+7.5=-22.5 | | 5(x+9)=9x+8-4x+37 | | 2y+120+-1y+y+30=180 | | (x-5)*(x+5)= | | -7(x+1)-3=13 | | 4x^2-4x+25=-24x | | 5x(x+3)-3x+4=7(x+2) | | 0.23x=26 | | 25=4v+v | | 8x-7=8(x+1) | | 8(m-5)-7(m-6)=10-7m+6m+4 | | 2y+120-y+y+30= | | 15-2[x+5]=3 | | S+29=23 | | X+2(-0.2)=9 | | 5x-8x+19=4x+40 | | X-42=-30 | | x^3-20x^2-5700x-54000=0 | | -17+13d=14d-15 | | 15-2lx+5l=3 | | 3(6x-3)=-117 | | 1-(.5)x=5 | | 9x^2=14x-4 | | 4m-9n-3+6+n= |

Equations solver categories