-20-(-3)=x

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Solution for -20-(-3)=x equation:


Simplifying
-20 + -1(-3) = x

Multiply -1 * -3
-20 + 3 = x

Combine like terms: -20 + 3 = -17
-17 = x

Solving
-17 = 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.
-17 + -1x = x + -1x

Combine like terms: x + -1x = 0
-17 + -1x = 0

Add '17' to each side of the equation.
-17 + 17 + -1x = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -1x = 0 + 17
-1x = 0 + 17

Combine like terms: 0 + 17 = 17
-1x = 17

Divide each side by '-1'.
x = -17

Simplifying
x = -17

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