How do you solve 10=3(r+1)+1?

2 Answers
Jan 16, 2018

r=2

Explanation:

10=3(r+1)+1
10=3r+3+1
10=3r+4/4,

6=3r/:3,

r=2

If you need more explanation feel free to ask :)

Jan 16, 2018

r=2

Explanation:

10=3(r+1)+1

subtract 1:

9=3(r+1)

divide by 3:

3=r+1

r+1=3

subtract 1:

r=2

alternatively:

expand brackets:
10=3r+3+1

collect like terms:

10=3r+4

subtract 4:

3r=6

divide by 3:

r=2