7r-3=5r-4

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



7r-3=5r-4

We move all terms to the left:

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

We get rid of parentheses

7r-5r+4-3=0

We add all the numbers together, and all the variables

2r+1=0

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

2r=-1

r=-1/2

r=-1/2

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