-(7x-7x+7)=

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


Simplifying
-1(7x + -7x + 7) = 0

Reorder the terms:
-1(7 + 7x + -7x) = 0

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

Multiply -1 * 7
-7 = 0

Solving
-7 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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