x+2x+x+12=156

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Solution for x+2x+x+12=156 equation:


Simplifying
x + 2x + x + 12 = 156

Reorder the terms:
12 + x + 2x + x = 156

Combine like terms: x + 2x = 3x
12 + 3x + x = 156

Combine like terms: 3x + x = 4x
12 + 4x = 156

Solving
12 + 4x = 156

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = 156 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 156 + -12
4x = 156 + -12

Combine like terms: 156 + -12 = 144
4x = 144

Divide each side by '4'.
x = 36

Simplifying
x = 36

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