0+3r+10=-20+13r

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Solution for 0+3r+10=-20+13r equation:



0+3r+10=-20+13r
We move all terms to the left:
0+3r+10-(-20+13r)=0
We add all the numbers together, and all the variables
3r-(13r-20)+0+10=0
We add all the numbers together, and all the variables
3r-(13r-20)+10=0
We get rid of parentheses
3r-13r+20+10=0
We add all the numbers together, and all the variables
-10r+30=0
We move all terms containing r to the left, all other terms to the right
-10r=-30
r=-30/-10
r=+3

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