5(4+r)=1.5(40+10r)

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Solution for 5(4+r)=1.5(40+10r) equation: 



5(4+r)=1.5(40+10r)

We move all terms to the left:

5(4+r)-(1.5(40+10r))=0

We add all the numbers together, and all the variables

5(r+4)-(1.5(10r+40))=0

We multiply parentheses

5r-(1.5(10r+40))+20=0



We calculate terms in parentheses: -(1.5(10r+40)), so:

1.5(10r+40)

We multiply parentheses

15r+60

Back to the equation:

-(15r+60)



We get rid of parentheses

5r-15r-60+20=0

We add all the numbers together, and all the variables

-10r-40=0

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

-10r=40

r=40/-10

r=-4

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