x-(x+7)=91

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Solution for x-(x+7)=91 equation: 


Simplifying
x + -1(x + 7) = 91

Reorder the terms:
x + -1(7 + x) = 91
x + (7 * -1 + x * -1) = 91
x + (-7 + -1x) = 91

Reorder the terms:
-7 + x + -1x = 91

Combine like terms: x + -1x = 0
-7 + 0 = 91
-7 = 91

Solving
-7 = 91

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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