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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