4-r=-5r+16

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Solution for 4-r=-5r+16 equation: 



4-r=-5r+16

We move all terms to the left:

4-r-(-5r+16)=0

We add all the numbers together, and all the variables

-1r-(-5r+16)+4=0

We get rid of parentheses

-1r+5r-16+4=0

We add all the numbers together, and all the variables

4r-12=0

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

4r=12

r=12/4

r=3

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