3u=6u-9

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Solution for 3u=6u-9 equation:



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

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