100=x+99

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Solution for 100=x+99 equation:


Simplifying
100 = x + 99

Reorder the terms:
100 = 99 + x

Solving
100 = 99 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
100 + -1x = 99 + x + -1x

Combine like terms: x + -1x = 0
100 + -1x = 99 + 0
100 + -1x = 99

Add '-100' to each side of the equation.
100 + -100 + -1x = 99 + -100

Combine like terms: 100 + -100 = 0
0 + -1x = 99 + -100
-1x = 99 + -100

Combine like terms: 99 + -100 = -1
-1x = -1

Divide each side by '-1'.
x = 1

Simplifying
x = 1

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