2(r-1)+3r=23

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Solution for 2(r-1)+3r=23 equation: 



2(r-1)+3r=23

We move all terms to the left:

2(r-1)+3r-(23)=0

We add all the numbers together, and all the variables

3r+2(r-1)-23=0

We multiply parentheses

3r+2r-2-23=0

We add all the numbers together, and all the variables

5r-25=0

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

5r=25

r=25/5

r=5

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