-3(u-7)=9u+45

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Solution for -3(u-7)=9u+45 equation:



-3(u-7)=9u+45
We move all terms to the left:
-3(u-7)-(9u+45)=0
We multiply parentheses
-3u-(9u+45)+21=0
We get rid of parentheses
-3u-9u-45+21=0
We add all the numbers together, and all the variables
-12u-24=0
We move all terms containing u to the left, all other terms to the right
-12u=24
u=24/-12
u=-2

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