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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