x-(x+21)=76

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Solution for x-(x+21)=76 equation: 


Simplifying
x + -1(x + 21) = 76

Reorder the terms:
x + -1(21 + x) = 76
x + (21 * -1 + x * -1) = 76
x + (-21 + -1x) = 76

Reorder the terms:
-21 + x + -1x = 76

Combine like terms: x + -1x = 0
-21 + 0 = 76
-21 = 76

Solving
-21 = 76

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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