7(u+2)=2u+9

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Solution for 7(u+2)=2u+9 equation: 



7(u+2)=2u+9

We move all terms to the left:

7(u+2)-(2u+9)=0

We multiply parentheses

7u-(2u+9)+14=0

We get rid of parentheses

7u-2u-9+14=0

We add all the numbers together, and all the variables

5u+5=0

We move all terms containing u to the left, all other terms to the right

5u=-5

u=-5/5

u=-1

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