90+x-3+x=180

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Solution for 90+x-3+x=180 equation: 


Simplifying
90 + x + -3 + x = 180

Reorder the terms:
90 + -3 + x + x = 180

Combine like terms: 90 + -3 = 87
87 + x + x = 180

Combine like terms: x + x = 2x
87 + 2x = 180

Solving
87 + 2x = 180

Solving for variable 'x'.

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

Add '-87' to each side of the equation.
87 + -87 + 2x = 180 + -87

Combine like terms: 87 + -87 = 0
0 + 2x = 180 + -87
2x = 180 + -87

Combine like terms: 180 + -87 = 93
2x = 93

Divide each side by '2'.
x = 46.5

Simplifying
x = 46.5

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