90+x+x-10=180

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Solution for 90+x+x-10=180 equation:


Simplifying
90 + x + x + -10 = 180

Reorder the terms:
90 + -10 + x + x = 180

Combine like terms: 90 + -10 = 80
80 + x + x = 180

Combine like terms: x + x = 2x
80 + 2x = 180

Solving
80 + 2x = 180

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 2x = 180 + -80

Combine like terms: 80 + -80 = 0
0 + 2x = 180 + -80
2x = 180 + -80

Combine like terms: 180 + -80 = 100
2x = 100

Divide each side by '2'.
x = 50

Simplifying
x = 50

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