-13=15+x

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Solution for -13=15+x equation:


Simplifying
-13 = 15 + x

Solving
-13 = 15 + 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 = 15 + x + -1x

Combine like terms: x + -1x = 0
-13 + -1x = 15 + 0
-13 + -1x = 15

Add '13' to each side of the equation.
-13 + 13 + -1x = 15 + 13

Combine like terms: -13 + 13 = 0
0 + -1x = 15 + 13
-1x = 15 + 13

Combine like terms: 15 + 13 = 28
-1x = 28

Divide each side by '-1'.
x = -28

Simplifying
x = -28

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