u+7=-20+3u-11

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Solution for u+7=-20+3u-11 equation:



u+7=-20+3u-11
We move all terms to the left:
u+7-(-20+3u-11)=0
We add all the numbers together, and all the variables
u-(3u-31)+7=0
We get rid of parentheses
u-3u+31+7=0
We add all the numbers together, and all the variables
-2u+38=0
We move all terms containing u to the left, all other terms to the right
-2u=-38
u=-38/-2
u=+19

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