15+x=100

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Solution for 15+x=100 equation: 


Simplifying
15 + x = 100

Solving
15 + x = 100

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + x = 100 + -15

Combine like terms: 15 + -15 = 0
0 + x = 100 + -15
x = 100 + -15

Combine like terms: 100 + -15 = 85
x = 85

Simplifying
x = 85

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