x+12+x-9+x=180

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Solution for x+12+x-9+x=180 equation:


Simplifying
x + 12 + x + -9 + x = 180

Reorder the terms:
12 + -9 + x + x + x = 180

Combine like terms: 12 + -9 = 3
3 + x + x + x = 180

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

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

Solving
3 + 3x = 180

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 180 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 180 + -3
3x = 180 + -3

Combine like terms: 180 + -3 = 177
3x = 177

Divide each side by '3'.
x = 59

Simplifying
x = 59

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