100+100+x=180

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Solution for 100+100+x=180 equation: 


Simplifying
100 + 100 + x = 180

Combine like terms: 100 + 100 = 200
200 + x = 180

Solving
200 + x = 180

Solving for variable 'x'.

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

Add '-200' to each side of the equation.
200 + -200 + x = 180 + -200

Combine like terms: 200 + -200 = 0
0 + x = 180 + -200
x = 180 + -200

Combine like terms: 180 + -200 = -20
x = -20

Simplifying
x = -20

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