3(5-u)=3u-9

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Solution for 3(5-u)=3u-9 equation:



3(5-u)=3u-9
We move all terms to the left:
3(5-u)-(3u-9)=0
We add all the numbers together, and all the variables
3(-1u+5)-(3u-9)=0
We multiply parentheses
-3u-(3u-9)+15=0
We get rid of parentheses
-3u-3u+9+15=0
We add all the numbers together, and all the variables
-6u+24=0
We move all terms containing u to the left, all other terms to the right
-6u=-24
u=-24/-6
u=+4

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