12(3x+3)-7(2x-3)=12x-13

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Solution for 12(3x+3)-7(2x-3)=12x-13 equation:


Simplifying
12(3x + 3) + -7(2x + -3) = 12x + -13

Reorder the terms:
12(3 + 3x) + -7(2x + -3) = 12x + -13
(3 * 12 + 3x * 12) + -7(2x + -3) = 12x + -13
(36 + 36x) + -7(2x + -3) = 12x + -13

Reorder the terms:
36 + 36x + -7(-3 + 2x) = 12x + -13
36 + 36x + (-3 * -7 + 2x * -7) = 12x + -13
36 + 36x + (21 + -14x) = 12x + -13

Reorder the terms:
36 + 21 + 36x + -14x = 12x + -13

Combine like terms: 36 + 21 = 57
57 + 36x + -14x = 12x + -13

Combine like terms: 36x + -14x = 22x
57 + 22x = 12x + -13

Reorder the terms:
57 + 22x = -13 + 12x

Solving
57 + 22x = -13 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
57 + 22x + -12x = -13 + 12x + -12x

Combine like terms: 22x + -12x = 10x
57 + 10x = -13 + 12x + -12x

Combine like terms: 12x + -12x = 0
57 + 10x = -13 + 0
57 + 10x = -13

Add '-57' to each side of the equation.
57 + -57 + 10x = -13 + -57

Combine like terms: 57 + -57 = 0
0 + 10x = -13 + -57
10x = -13 + -57

Combine like terms: -13 + -57 = -70
10x = -70

Divide each side by '10'.
x = -7

Simplifying
x = -7

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