85+7x-4+2x=180

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Solution for 85+7x-4+2x=180 equation:


Simplifying
85 + 7x + -4 + 2x = 180

Reorder the terms:
85 + -4 + 7x + 2x = 180

Combine like terms: 85 + -4 = 81
81 + 7x + 2x = 180

Combine like terms: 7x + 2x = 9x
81 + 9x = 180

Solving
81 + 9x = 180

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + 9x = 180 + -81

Combine like terms: 81 + -81 = 0
0 + 9x = 180 + -81
9x = 180 + -81

Combine like terms: 180 + -81 = 99
9x = 99

Divide each side by '9'.
x = 11

Simplifying
x = 11

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