r+4/10=12

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Solution for r+4/10=12 equation: 



r+4/10=12

We move all terms to the left:

r+4/10-(12)=0

determiningTheFunctionDomain
r-12+4/10=0

We multiply all the terms by the denominator


r*10+4-12*10=0

We add all the numbers together, and all the variables

r*10-116=0

Wy multiply elements

10r-116=0

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

10r=116

r=116/10

r=11+3/5

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