4(u+9)=9u-9

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Solution for 4(u+9)=9u-9 equation:



4(u+9)=9u-9
We move all terms to the left:
4(u+9)-(9u-9)=0
We multiply parentheses
4u-(9u-9)+36=0
We get rid of parentheses
4u-9u+9+36=0
We add all the numbers together, and all the variables
-5u+45=0
We move all terms containing u to the left, all other terms to the right
-5u=-45
u=-45/-5
u=+9

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