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-2(2r-7)=-5
We move all terms to the left:
-2(2r-7)-(-5)=0
We add all the numbers together, and all the variables
-2(2r-7)+5=0
We multiply parentheses
-4r+14+5=0
We add all the numbers together, and all the variables
-4r+19=0
We move all terms containing r to the left, all other terms to the right
-4r=-19
r=-19/-4
r=4+3/4
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