3x+136+7x+124=180

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Solution for 3x+136+7x+124=180 equation:


Simplifying
3x + 136 + 7x + 124 = 180

Reorder the terms:
136 + 124 + 3x + 7x = 180

Combine like terms: 136 + 124 = 260
260 + 3x + 7x = 180

Combine like terms: 3x + 7x = 10x
260 + 10x = 180

Solving
260 + 10x = 180

Solving for variable 'x'.

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

Add '-260' to each side of the equation.
260 + -260 + 10x = 180 + -260

Combine like terms: 260 + -260 = 0
0 + 10x = 180 + -260
10x = 180 + -260

Combine like terms: 180 + -260 = -80
10x = -80

Divide each side by '10'.
x = -8

Simplifying
x = -8

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