3/4r+9=12

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Solution for 3/4r+9=12 equation: 



3/4r+9=12

We move all terms to the left:

3/4r+9-(12)=0



Domain of the equation: 4r!=0

r!=0/4

r!=0

r∈R



We add all the numbers together, and all the variables

3/4r-3=0

We multiply all the terms by the denominator


-3*4r+3=0

Wy multiply elements

-12r+3=0

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

-12r=-3

r=-3/-12

r=1/4

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