3.5r=1.5r+40

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Solution for 3.5r=1.5r+40 equation: 



3.5r=1.5r+40

We move all terms to the left:

3.5r-(1.5r+40)=0

We get rid of parentheses

3.5r-1.5r-40=0

We add all the numbers together, and all the variables

2r-40=0

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

2r=40

r=40/2

r=20

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