100+90+x=90

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Solution for 100+90+x=90 equation: 


Simplifying
100 + 90 + x = 90

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

Solving
190 + x = 90

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 = 90 + -190

Combine like terms: 190 + -190 = 0
0 + x = 90 + -190
x = 90 + -190

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

Simplifying
x = -100

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