7r+8r-50=-2r+69

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Solution for 7r+8r-50=-2r+69 equation: 



7r+8r-50=-2r+69

We move all terms to the left:

7r+8r-50-(-2r+69)=0

We add all the numbers together, and all the variables

15r-(-2r+69)-50=0

We get rid of parentheses

15r+2r-69-50=0

We add all the numbers together, and all the variables

17r-119=0

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

17r=119

r=119/17

r=7

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