-1/5(4-r)=-12

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Solution for -1/5(4-r)=-12 equation: 



-1/5(4-r)=-12

We move all terms to the left:

-1/5(4-r)-(-12)=0



Domain of the equation: 5(4-r)!=0

r∈R



We add all the numbers together, and all the variables

-1/5(-1r+4)-(-12)=0

We add all the numbers together, and all the variables

-1/5(-1r+4)+12=0

We multiply all the terms by the denominator


12*5(-1r+4)-1=0

Wy multiply elements

60r(--1=0

We use the square of the difference formula

60r(+1=0

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