12-5(3r+4)=22

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Solution for 12-5(3r+4)=22 equation: 



12-5(3r+4)=22

We move all terms to the left:

12-5(3r+4)-(22)=0

We add all the numbers together, and all the variables

-5(3r+4)-10=0

We multiply parentheses

-15r-20-10=0

We add all the numbers together, and all the variables

-15r-30=0

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

-15r=30

r=30/-15

r=-2

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