12-4/5(r+15)=4

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Solution for 12-4/5(r+15)=4 equation: 



12-4/5(r+15)=4

We move all terms to the left:

12-4/5(r+15)-(4)=0



Domain of the equation: 5(r+15)!=0

r∈R



We add all the numbers together, and all the variables

-4/5(r+15)+8=0

We multiply all the terms by the denominator


8*5(r+15)-4=0

Wy multiply elements

40r(r-4=0

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