0.4(r+3)-0.16r=6

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Solution for 0.4(r+3)-0.16r=6 equation: 



0.4(r+3)-0.16r=6

We move all terms to the left:

0.4(r+3)-0.16r-(6)=0

We add all the numbers together, and all the variables

-0.16r+0.4(r+3)-6=0

We multiply parentheses

-0.16r+0.4r+1.2-6=0

We add all the numbers together, and all the variables

0.24r-4.8=0

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

0.24r=4.8

r=4.8/0.24

r=20

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