x+7-x+5=10

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Solution for x+7-x+5=10 equation: 


Simplifying
x + 7 + -1x + 5 = 10

Reorder the terms:
7 + 5 + x + -1x = 10

Combine like terms: 7 + 5 = 12
12 + x + -1x = 10

Combine like terms: x + -1x = 0
12 + 0 = 10
12 = 10

Solving
12 = 10

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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