-15=x-20

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Solution for -15=x-20 equation:


Simplifying
-15 = x + -20

Reorder the terms:
-15 = -20 + x

Solving
-15 = -20 + 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.
-15 + -1x = -20 + x + -1x

Combine like terms: x + -1x = 0
-15 + -1x = -20 + 0
-15 + -1x = -20

Add '15' to each side of the equation.
-15 + 15 + -1x = -20 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = -20 + 15
-1x = -20 + 15

Combine like terms: -20 + 15 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5

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