1.8(5r-7.4)=71.5

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Solution for 1.8(5r-7.4)=71.5 equation: 



1.8(5r-7.4)=71.5

We move all terms to the left:

1.8(5r-7.4)-(71.5)=0

We add all the numbers together, and all the variables

1.8(5r-7.4)-71.5=0

We multiply parentheses

9r-13.32-71.5=0

We add all the numbers together, and all the variables

9r-84.82=0

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

9r=84.82

r=84.82/9

r=9+1/2.3560209424084

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