12(x+9)=4(x-39)

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Solution for 12(x+9)=4(x-39) equation:


Simplifying
12(x + 9) = 4(x + -39)

Reorder the terms:
12(9 + x) = 4(x + -39)
(9 * 12 + x * 12) = 4(x + -39)
(108 + 12x) = 4(x + -39)

Reorder the terms:
108 + 12x = 4(-39 + x)
108 + 12x = (-39 * 4 + x * 4)
108 + 12x = (-156 + 4x)

Solving
108 + 12x = -156 + 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.
108 + 12x + -4x = -156 + 4x + -4x

Combine like terms: 12x + -4x = 8x
108 + 8x = -156 + 4x + -4x

Combine like terms: 4x + -4x = 0
108 + 8x = -156 + 0
108 + 8x = -156

Add '-108' to each side of the equation.
108 + -108 + 8x = -156 + -108

Combine like terms: 108 + -108 = 0
0 + 8x = -156 + -108
8x = -156 + -108

Combine like terms: -156 + -108 = -264
8x = -264

Divide each side by '8'.
x = -33

Simplifying
x = -33

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