5+7r+3r=5r-4

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Solution for 5+7r+3r=5r-4 equation: 



5+7r+3r=5r-4

We move all terms to the left:

5+7r+3r-(5r-4)=0

We add all the numbers together, and all the variables

10r-(5r-4)+5=0

We get rid of parentheses

10r-5r+4+5=0

We add all the numbers together, and all the variables

5r+9=0

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

5r=-9

r=-9/5

r=-1+4/5

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