3+r=-5r+18

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Solution for 3+r=-5r+18 equation: 



3+r=-5r+18

We move all terms to the left:

3+r-(-5r+18)=0

We get rid of parentheses

r+5r-18+3=0

We add all the numbers together, and all the variables

6r-15=0

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

6r=15

r=15/6

r=2+1/2

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