7x-1+90=180

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Solution for 7x-1+90=180 equation:


Simplifying
7x + -1 + 90 = 180

Reorder the terms:
-1 + 90 + 7x = 180

Combine like terms: -1 + 90 = 89
89 + 7x = 180

Solving
89 + 7x = 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 + 7x = 180 + -89

Combine like terms: 89 + -89 = 0
0 + 7x = 180 + -89
7x = 180 + -89

Combine like terms: 180 + -89 = 91
7x = 91

Divide each side by '7'.
x = 13

Simplifying
x = 13

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