7(3y-4)=4

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Solution for 7(3y-4)=4 equation: 



7(3y-4)=4

We move all terms to the left:

7(3y-4)-(4)=0

We multiply parentheses

21y-28-4=0

We add all the numbers together, and all the variables

21y-32=0

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

21y=32

y=32/21

y=1+11/21

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