(1r-4)-(2r+16)=7+1r-23

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Solution for (1r-4)-(2r+16)=7+1r-23 equation: 



(1r-4)-(2r+16)=7+1r-23

We move all terms to the left:

(1r-4)-(2r+16)-(7+1r-23)=0

We add all the numbers together, and all the variables

(r-4)-(2r+16)-(r-16)=0

We get rid of parentheses

r-2r-r-4-16+16=0

We add all the numbers together, and all the variables

-2r-4=0

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

-2r=4

r=4/-2

r=-2

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