3r-8=8r+4/2

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Solution for 3r-8=8r+4/2 equation: 



3r-8=8r+4/2

We move all terms to the left:

3r-8-(8r+4/2)=0

We add all the numbers together, and all the variables

3r-(8r+2)-8=0

We get rid of parentheses

3r-8r-2-8=0

We add all the numbers together, and all the variables

-5r-10=0

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

-5r=10

r=10/-5

r=-2

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