(2x)+(7x-4)+85=180

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


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

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

Remove parenthesis around (-4 + 7x)
(2x) + -4 + 7x + 85 = 180

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

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

Combine like terms: (2x) + 7x = 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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