4(r+1.6)-8r=10.2

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Solution for 4(r+1.6)-8r=10.2 equation: 



4(r+1.6)-8r=10.2

We move all terms to the left:

4(r+1.6)-8r-(10.2)=0

We add all the numbers together, and all the variables

-8r+4(r+1.6)-10.2=0

We multiply parentheses

-8r+4r+6.4-10.2=0

We add all the numbers together, and all the variables

-4r-3.8=0

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

-4r=3.8

r=3.8/-4

r=-2.1111111111111/2.2222222222222

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