4(r+1.4)-8r=8.6

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Solution for 4(r+1.4)-8r=8.6 equation: 



4(r+1.4)-8r=8.6

We move all terms to the left:

4(r+1.4)-8r-(8.6)=0

We add all the numbers together, and all the variables

-8r+4(r+1.4)-8.6=0

We multiply parentheses

-8r+4r+5.6-8.6=0

We add all the numbers together, and all the variables

-4r-3=0

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

-4r=3

r=3/-4

r=-3/4

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