-7u+3u=8

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Solution for -7u+3u=8 equation:



-7u+3u=8
We move all terms to the left:
-7u+3u-(8)=0
We add all the numbers together, and all the variables
-4u-8=0
We move all terms containing u to the left, all other terms to the right
-4u=8
u=8/-4
u=-2

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