4r+8=2r+16

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Solution for 4r+8=2r+16 equation: 



4r+8=2r+16

We move all terms to the left:

4r+8-(2r+16)=0

We get rid of parentheses

4r-2r-16+8=0

We add all the numbers together, and all the variables

2r-8=0

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

2r=8

r=8/2

r=4

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