90+(7x+6)+(6x-7)=180

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Solution for 90+(7x+6)+(6x-7)=180 equation:


Simplifying
90 + (7x + 6) + (6x + -7) = 180

Reorder the terms:
90 + (6 + 7x) + (6x + -7) = 180

Remove parenthesis around (6 + 7x)
90 + 6 + 7x + (6x + -7) = 180

Reorder the terms:
90 + 6 + 7x + (-7 + 6x) = 180

Remove parenthesis around (-7 + 6x)
90 + 6 + 7x + -7 + 6x = 180

Reorder the terms:
90 + 6 + -7 + 7x + 6x = 180

Combine like terms: 90 + 6 = 96
96 + -7 + 7x + 6x = 180

Combine like terms: 96 + -7 = 89
89 + 7x + 6x = 180

Combine like terms: 7x + 6x = 13x
89 + 13x = 180

Solving
89 + 13x = 180

Solving for variable 'x'.

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

Add '-89' to each side of the equation.
89 + -89 + 13x = 180 + -89

Combine like terms: 89 + -89 = 0
0 + 13x = 180 + -89
13x = 180 + -89

Combine like terms: 180 + -89 = 91
13x = 91

Divide each side by '13'.
x = 7

Simplifying
x = 7

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