-2r-7=-10-5r

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Solution for -2r-7=-10-5r equation:



-2r-7=-10-5r
We move all terms to the left:
-2r-7-(-10-5r)=0
We add all the numbers together, and all the variables
-2r-(-5r-10)-7=0
We get rid of parentheses
-2r+5r+10-7=0
We add all the numbers together, and all the variables
3r+3=0
We move all terms containing r to the left, all other terms to the right
3r=-3
r=-3/3
r=-1

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