100+x+90=180

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Solution for 100+x+90=180 equation: 


Simplifying
100 + x + 90 = 180

Reorder the terms:
100 + 90 + x = 180

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

Solving
190 + x = 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 + x = 180 + -190

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

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

Simplifying
x = -10

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