20+5r=-13-3r+1

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Solution for 20+5r=-13-3r+1 equation: 



20+5r=-13-3r+1

We move all terms to the left:

20+5r-(-13-3r+1)=0

We add all the numbers together, and all the variables

5r-(-3r-12)+20=0

We get rid of parentheses

5r+3r+12+20=0

We add all the numbers together, and all the variables

8r+32=0

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

8r=-32

r=-32/8

r=-4

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