x+x+x-x+7=x+x+x-x+12

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Solution for x+x+x-x+7=x+x+x-x+12 equation: 


Simplifying
x + x + x + -1x + 7 = x + x + x + -1x + 12

Reorder the terms:
7 + x + x + x + -1x = x + x + x + -1x + 12

Combine like terms: x + x = 2x
7 + 2x + x + -1x = x + x + x + -1x + 12

Combine like terms: 2x + x = 3x
7 + 3x + -1x = x + x + x + -1x + 12

Combine like terms: 3x + -1x = 2x
7 + 2x = x + x + x + -1x + 12

Reorder the terms:
7 + 2x = 12 + x + x + x + -1x

Combine like terms: x + x = 2x
7 + 2x = 12 + 2x + x + -1x

Combine like terms: 2x + x = 3x
7 + 2x = 12 + 3x + -1x

Combine like terms: 3x + -1x = 2x
7 + 2x = 12 + 2x

Add '-2x' to each side of the equation.
7 + 2x + -2x = 12 + 2x + -2x

Combine like terms: 2x + -2x = 0
7 + 0 = 12 + 2x + -2x
7 = 12 + 2x + -2x

Combine like terms: 2x + -2x = 0
7 = 12 + 0
7 = 12

Solving
7 = 12

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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