-3u+4=-3u+7

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Solution for -3u+4=-3u+7 equation: 


Simplifying
-3u + 4 = -3u + 7

Reorder the terms:
4 + -3u = -3u + 7

Reorder the terms:
4 + -3u = 7 + -3u

Add '3u' to each side of the equation.
4 + -3u + 3u = 7 + -3u + 3u

Combine like terms: -3u + 3u = 0
4 + 0 = 7 + -3u + 3u
4 = 7 + -3u + 3u

Combine like terms: -3u + 3u = 0
4 = 7 + 0
4 = 7

Solving
4 = 7

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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