3r-(-7)=10

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Solution for 3r-(-7)=10 equation: 



3r-(-7)=10

We move all terms to the left:

3r-(-7)-(10)=0

determiningTheFunctionDomain
3r-10-(-7)=0

We add all the numbers together, and all the variables

3r-3=0

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

3r=3

r=3/3

r=1

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