4r-(3+2r)=7

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Solution for 4r-(3+2r)=7 equation: 



4r-(3+2r)=7

We move all terms to the left:

4r-(3+2r)-(7)=0

We add all the numbers together, and all the variables

4r-(2r+3)-7=0

We get rid of parentheses

4r-2r-3-7=0

We add all the numbers together, and all the variables

2r-10=0

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

2r=10

r=10/2

r=5

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