-12(r+4)=-10r+30

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Solution for -12(r+4)=-10r+30 equation: 



-12(r+4)=-10r+30

We move all terms to the left:

-12(r+4)-(-10r+30)=0

We multiply parentheses

-12r-(-10r+30)-48=0

We get rid of parentheses

-12r+10r-30-48=0

We add all the numbers together, and all the variables

-2r-78=0

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

-2r=78

r=78/-2

r=-39

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