x+9=100

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Solution for x+9=100 equation: 


Simplifying
x + 9 = 100

Reorder the terms:
9 + x = 100

Solving
9 + x = 100

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + x = 100 + -9

Combine like terms: 9 + -9 = 0
0 + x = 100 + -9
x = 100 + -9

Combine like terms: 100 + -9 = 91
x = 91

Simplifying
x = 91

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