4/9r*12=-12

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Solution for 4/9r*12=-12 equation: 



4/9r*12=-12

We move all terms to the left:

4/9r*12-(-12)=0



Domain of the equation: 9r*12!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

4/9r*12+12=0

We multiply all the terms by the denominator


12*9r*12+4=0

Wy multiply elements

1296r*1+4=0

Wy multiply elements

1296r+4=0

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

1296r=-4

r=-4/1296

r=-1/324

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