-13=x+18

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Solution for -13=x+18 equation:


Simplifying
-13 = x + 18

Reorder the terms:
-13 = 18 + x

Solving
-13 = 18 + 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.
-13 + -1x = 18 + x + -1x

Combine like terms: x + -1x = 0
-13 + -1x = 18 + 0
-13 + -1x = 18

Add '13' to each side of the equation.
-13 + 13 + -1x = 18 + 13

Combine like terms: -13 + 13 = 0
0 + -1x = 18 + 13
-1x = 18 + 13

Combine like terms: 18 + 13 = 31
-1x = 31

Divide each side by '-1'.
x = -31

Simplifying
x = -31

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