1.5(r+2)+1.5r=15

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Solution for 1.5(r+2)+1.5r=15 equation: 



1.5(r+2)+1.5r=15

We move all terms to the left:

1.5(r+2)+1.5r-(15)=0

We add all the numbers together, and all the variables

1.5r+1.5(r+2)-15=0

We multiply parentheses

1.5r+1.5r+3-15=0

We add all the numbers together, and all the variables

3r-12=0

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

3r=12

r=12/3

r=4

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