1-3r-2r=-7-3r

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Solution for 1-3r-2r=-7-3r equation: 



1-3r-2r=-7-3r

We move all terms to the left:

1-3r-2r-(-7-3r)=0

We add all the numbers together, and all the variables

-3r-2r-(-3r-7)+1=0

We add all the numbers together, and all the variables

-5r-(-3r-7)+1=0

We get rid of parentheses

-5r+3r+7+1=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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