-15-(-2-20)=x

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Solution for -15-(-2-20)=x equation:


Simplifying
-15 + -1(-2 + -20) = x

Combine like terms: -2 + -20 = -22
-15 + -1(-22) = x

Multiply -1 * -22
-15 + 22 = x

Combine like terms: -15 + 22 = 7
7 = x

Solving
7 = 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.
7 + -1x = x + -1x

Combine like terms: x + -1x = 0
7 + -1x = 0

Add '-7' to each side of the equation.
7 + -7 + -1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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