5r+9=3(r-5)+7

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Solution for 5r+9=3(r-5)+7 equation: 



5r+9=3(r-5)+7

We move all terms to the left:

5r+9-(3(r-5)+7)=0



We calculate terms in parentheses: -(3(r-5)+7), so:

3(r-5)+7

We multiply parentheses

3r-15+7

We add all the numbers together, and all the variables

3r-8

Back to the equation:

-(3r-8)



We get rid of parentheses

5r-3r+8+9=0

We add all the numbers together, and all the variables

2r+17=0

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

2r=-17

r=-17/2

r=-8+1/2

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