x+90+x+100=180

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Solution for x+90+x+100=180 equation: 


Simplifying
x + 90 + x + 100 = 180

Reorder the terms:
90 + 100 + x + x = 180

Combine like terms: 90 + 100 = 190
190 + x + x = 180

Combine like terms: x + x = 2x
190 + 2x = 180

Solving
190 + 2x = 180

Solving for variable 'x'.

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

Add '-190' to each side of the equation.
190 + -190 + 2x = 180 + -190

Combine like terms: 190 + -190 = 0
0 + 2x = 180 + -190
2x = 180 + -190

Combine like terms: 180 + -190 = -10
2x = -10

Divide each side by '2'.
x = -5

Simplifying
x = -5

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