1.2(2+3r)=0.8(2r+5)

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Solution for 1.2(2+3r)=0.8(2r+5) equation: 



1.2(2+3r)=0.8(2r+5)

We move all terms to the left:

1.2(2+3r)-(0.8(2r+5))=0

We add all the numbers together, and all the variables

1.2(3r+2)-(0.8(2r+5))=0

We multiply parentheses

3.6r-(0.8(2r+5))+2.4=0



We calculate terms in parentheses: -(0.8(2r+5)), so:

0.8(2r+5)

We multiply parentheses

1.6r+4

Back to the equation:

-(1.6r+4)



We get rid of parentheses

3.6r-1.6r-4+2.4=0

We add all the numbers together, and all the variables

2r-1.6=0

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

2r=1.6

r=1.6/2

r=1/1.25

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