(6r+2)-(3r+5)=-18r+123

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Solution for (6r+2)-(3r+5)=-18r+123 equation: 



(6r+2)-(3r+5)=-18r+123

We move all terms to the left:

(6r+2)-(3r+5)-(-18r+123)=0

We get rid of parentheses

6r-3r+18r+2-5-123=0

We add all the numbers together, and all the variables

21r-126=0

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

21r=126

r=126/21

r=6

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