3-2(2-r)=7

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



3-2(2-r)=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2(-1r+2)+3-7=0

We add all the numbers together, and all the variables

-2(-1r+2)-4=0

We multiply parentheses

2r-4-4=0

We add all the numbers together, and all the variables

2r-8=0

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

2r=8

r=8/2

r=4

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