20(-1.5r+0.75)=4

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Solution for 20(-1.5r+0.75)=4 equation: 



20(-1.5r+0.75)=4

We move all terms to the left:

20(-1.5r+0.75)-(4)=0

We multiply parentheses

-20r+15-4=0

We add all the numbers together, and all the variables

-20r+11=0

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

-20r=-11

r=-11/-20

r=11/20

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