156=3x+x-2+x-4+x-6+x-8+x-10+x-12

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Solution for 156=3x+x-2+x-4+x-6+x-8+x-10+x-12 equation: 


Simplifying
156 = 3x + x + -2 + x + -4 + x + -6 + x + -8 + x + -10 + x + -12

Reorder the terms:
156 = -2 + -4 + -6 + -8 + -10 + -12 + 3x + x + x + x + x + x + x

Combine like terms: -2 + -4 = -6
156 = -6 + -6 + -8 + -10 + -12 + 3x + x + x + x + x + x + x

Combine like terms: -6 + -6 = -12
156 = -12 + -8 + -10 + -12 + 3x + x + x + x + x + x + x

Combine like terms: -12 + -8 = -20
156 = -20 + -10 + -12 + 3x + x + x + x + x + x + x

Combine like terms: -20 + -10 = -30
156 = -30 + -12 + 3x + x + x + x + x + x + x

Combine like terms: -30 + -12 = -42
156 = -42 + 3x + x + x + x + x + x + x

Combine like terms: 3x + x = 4x
156 = -42 + 4x + x + x + x + x + x

Combine like terms: 4x + x = 5x
156 = -42 + 5x + x + x + x + x

Combine like terms: 5x + x = 6x
156 = -42 + 6x + x + x + x

Combine like terms: 6x + x = 7x
156 = -42 + 7x + x + x

Combine like terms: 7x + x = 8x
156 = -42 + 8x + x

Combine like terms: 8x + x = 9x
156 = -42 + 9x

Solving
156 = -42 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
156 + -9x = -42 + 9x + -9x

Combine like terms: 9x + -9x = 0
156 + -9x = -42 + 0
156 + -9x = -42

Add '-156' to each side of the equation.
156 + -156 + -9x = -42 + -156

Combine like terms: 156 + -156 = 0
0 + -9x = -42 + -156
-9x = -42 + -156

Combine like terms: -42 + -156 = -198
-9x = -198

Divide each side by '-9'.
x = 22

Simplifying
x = 22

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