3r+1/2=r+8

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Solution for 3r+1/2=r+8 equation: 



3r+1/2=r+8

We move all terms to the left:

3r+1/2-(r+8)=0

We get rid of parentheses

3r-r-8+1/2=0

We multiply all the terms by the denominator


3r*2-r*2+1-8*2=0

We add all the numbers together, and all the variables

3r*2-r*2-15=0

Wy multiply elements

6r-2r-15=0

We add all the numbers together, and all the variables

4r-15=0

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

4r=15

r=15/4

r=3+3/4

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