39-12r=7-16r

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Solution for 39-12r=7-16r equation: 



39-12r=7-16r

We move all terms to the left:

39-12r-(7-16r)=0

We add all the numbers together, and all the variables

-12r-(-16r+7)+39=0

We get rid of parentheses

-12r+16r-7+39=0

We add all the numbers together, and all the variables

4r+32=0

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

4r=-32

r=-32/4

r=-8

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