4(3r+4)=8(2r+5)

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Solution for 4(3r+4)=8(2r+5) equation: 



4(3r+4)=8(2r+5)

We move all terms to the left:

4(3r+4)-(8(2r+5))=0

We multiply parentheses

12r-(8(2r+5))+16=0



We calculate terms in parentheses: -(8(2r+5)), so:

8(2r+5)

We multiply parentheses

16r+40

Back to the equation:

-(16r+40)



We get rid of parentheses

12r-16r-40+16=0

We add all the numbers together, and all the variables

-4r-24=0

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

-4r=24

r=24/-4

r=-6

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