7x-15+2x+55=180

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Solution for 7x-15+2x+55=180 equation:


Simplifying
7x + -15 + 2x + 55 = 180

Reorder the terms:
-15 + 55 + 7x + 2x = 180

Combine like terms: -15 + 55 = 40
40 + 7x + 2x = 180

Combine like terms: 7x + 2x = 9x
40 + 9x = 180

Solving
40 + 9x = 180

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 9x = 180 + -40

Combine like terms: 40 + -40 = 0
0 + 9x = 180 + -40
9x = 180 + -40

Combine like terms: 180 + -40 = 140
9x = 140

Divide each side by '9'.
x = 15.55555556

Simplifying
x = 15.55555556

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