4-x+x+8=40

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Solution for 4-x+x+8=40 equation: 


Simplifying
4 + -1x + x + 8 = 40

Reorder the terms:
4 + 8 + -1x + x = 40

Combine like terms: 4 + 8 = 12
12 + -1x + x = 40

Combine like terms: -1x + x = 0
12 + 0 = 40
12 = 40

Solving
12 = 40

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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