x+12+7x-8+3x+4=180

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Solution for x+12+7x-8+3x+4=180 equation: 


Simplifying
x + 12 + 7x + -8 + 3x + 4 = 180

Reorder the terms:
12 + -8 + 4 + x + 7x + 3x = 180

Combine like terms: 12 + -8 = 4
4 + 4 + x + 7x + 3x = 180

Combine like terms: 4 + 4 = 8
8 + x + 7x + 3x = 180

Combine like terms: x + 7x = 8x
8 + 8x + 3x = 180

Combine like terms: 8x + 3x = 11x
8 + 11x = 180

Solving
8 + 11x = 180

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 11x = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 11x = 180 + -8
11x = 180 + -8

Combine like terms: 180 + -8 = 172
11x = 172

Divide each side by '11'.
x = 15.63636364

Simplifying
x = 15.63636364

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