7+5r+5=1+7r

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Solution for 7+5r+5=1+7r equation: 



7+5r+5=1+7r

We move all terms to the left:

7+5r+5-(1+7r)=0

We add all the numbers together, and all the variables

5r-(7r+1)+7+5=0

We add all the numbers together, and all the variables

5r-(7r+1)+12=0

We get rid of parentheses

5r-7r-1+12=0

We add all the numbers together, and all the variables

-2r+11=0

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

-2r=-11

r=-11/-2

r=5+1/2

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