-3(u-7)=-9

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



-3(u-7)=-9
We move all terms to the left:
-3(u-7)-(-9)=0
We add all the numbers together, and all the variables
-3(u-7)+9=0
We multiply parentheses
-3u+21+9=0
We add all the numbers together, and all the variables
-3u+30=0
We move all terms containing u to the left, all other terms to the right
-3u=-30
u=-30/-3
u=+10

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