90+20x+71x-1=180

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Solution for 90+20x+71x-1=180 equation:


Simplifying
90 + 20x + 71x + -1 = 180

Reorder the terms:
90 + -1 + 20x + 71x = 180

Combine like terms: 90 + -1 = 89
89 + 20x + 71x = 180

Combine like terms: 20x + 71x = 91x
89 + 91x = 180

Solving
89 + 91x = 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 + 91x = 180 + -89

Combine like terms: 89 + -89 = 0
0 + 91x = 180 + -89
91x = 180 + -89

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

Divide each side by '91'.
x = 1

Simplifying
x = 1

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