2(r-1)+4=5-4r

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Solution for 2(r-1)+4=5-4r equation:



2(r-1)+4=5-4r
We move all terms to the left:
2(r-1)+4-(5-4r)=0
We add all the numbers together, and all the variables
2(r-1)-(-4r+5)+4=0
We multiply parentheses
2r-(-4r+5)-2+4=0
We get rid of parentheses
2r+4r-5-2+4=0
We add all the numbers together, and all the variables
6r-3=0
We move all terms containing r to the left, all other terms to the right
6r=3
r=3/6
r=1/2

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