-7-(-7)=x

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Solution for -7-(-7)=x equation: 


Simplifying
-7 + -1(-7) = x

Multiply -1 * -7
-7 + 7 = x

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

Solving
0 = 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.
0 + -1x = x + -1x
Remove the zero:
-1x = x + -1x

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

Divide each side by '-1'.
x = 0

Simplifying
x = 0

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