3(5-y)=4(2y+1)

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Solution for 3(5-y)=4(2y+1) equation: 



3(5-y)=4(2y+1)

We move all terms to the left:

3(5-y)-(4(2y+1))=0

We add all the numbers together, and all the variables

3(-1y+5)-(4(2y+1))=0

We multiply parentheses

-3y-(4(2y+1))+15=0



We calculate terms in parentheses: -(4(2y+1)), so:

4(2y+1)

We multiply parentheses

8y+4

Back to the equation:

-(8y+4)



We get rid of parentheses

-3y-8y-4+15=0

We add all the numbers together, and all the variables

-11y+11=0

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

-11y=-11

y=-11/-11

y=1

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