18=x+99

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Solution for 18=x+99 equation:


Simplifying
18 = x + 99

Reorder the terms:
18 = 99 + x

Solving
18 = 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.
18 + -1x = 99 + x + -1x

Combine like terms: x + -1x = 0
18 + -1x = 99 + 0
18 + -1x = 99

Add '-18' to each side of the equation.
18 + -18 + -1x = 99 + -18

Combine like terms: 18 + -18 = 0
0 + -1x = 99 + -18
-1x = 99 + -18

Combine like terms: 99 + -18 = 81
-1x = 81

Divide each side by '-1'.
x = -81

Simplifying
x = -81

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