x+2x+(x-12)=180

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Solution for x+2x+(x-12)=180 equation:


Simplifying
x + 2x + (x + -12) = 180

Reorder the terms:
x + 2x + (-12 + x) = 180

Remove parenthesis around (-12 + x)
x + 2x + -12 + x = 180

Reorder the terms:
-12 + x + 2x + x = 180

Combine like terms: x + 2x = 3x
-12 + 3x + x = 180

Combine like terms: 3x + x = 4x
-12 + 4x = 180

Solving
-12 + 4x = 180

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 = 180 + 12

Combine like terms: -12 + 12 = 0
0 + 4x = 180 + 12
4x = 180 + 12

Combine like terms: 180 + 12 = 192
4x = 192

Divide each side by '4'.
x = 48

Simplifying
x = 48

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