13.4k views
18 votes
6r - 7 = 23 r = _____

User Sam Comber
by
5.3k points

2 Answers

3 votes

Answer:

5

Explanation:

6r - 7 = 23

6r + 7 = + 7

6r = 30

30 รท 6 = 5

r = 5

Check ur answer:

6(5) - 7 = 23

30 - 7 = 23

23 = 23

User Kerrie
by
4.6k points
14 votes

Answer:

r=-7/17

Explanation:

6r-7=23r=

We move all terms to the left:

6r-7-(23r)=0

We add all the numbers together, and all the variables

-17r-7=0

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

-17r=7

r=7/-17

r=-7/17

User BStruthers
by
5.4k points