-9-(-1)=x

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Solution for -9-(-1)=x equation:


Simplifying
-9 + -1(-1) = x

Multiply -1 * -1
-9 + 1 = x

Combine like terms: -9 + 1 = -8
-8 = x

Solving
-8 = 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.
-8 + -1x = x + -1x

Combine like terms: x + -1x = 0
-8 + -1x = 0

Add '8' to each side of the equation.
-8 + 8 + -1x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = 0 + 8
-1x = 0 + 8

Combine like terms: 0 + 8 = 8
-1x = 8

Divide each side by '-1'.
x = -8

Simplifying
x = -8

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