100+x=100-x

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Solution for 100+x=100-x equation:


Simplifying
100 + x = 100 + -1x

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

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

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

Solving
x = -1x

Solving for variable 'x'.

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

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

Combine like terms: x + x = 2x
2x = -1x + x

Combine like terms: -1x + x = 0
2x = 0

Divide each side by '2'.
x = 0

Simplifying
x = 0

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