3x+7=2(x-4)+x

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Solution for 3x+7=2(x-4)+x equation: 


Simplifying
3x + 7 = 2(x + -4) + x

Reorder the terms:
7 + 3x = 2(x + -4) + x

Reorder the terms:
7 + 3x = 2(-4 + x) + x
7 + 3x = (-4 * 2 + x * 2) + x
7 + 3x = (-8 + 2x) + x

Combine like terms: 2x + x = 3x
7 + 3x = -8 + 3x

Add '-3x' to each side of the equation.
7 + 3x + -3x = -8 + 3x + -3x

Combine like terms: 3x + -3x = 0
7 + 0 = -8 + 3x + -3x
7 = -8 + 3x + -3x

Combine like terms: 3x + -3x = 0
7 = -8 + 0
7 = -8

Solving
7 = -8

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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