78.9k views
4 votes
4(r + 20) = 1/5(20r + 400)

User Roy Reiss
by
3.8k points

2 Answers

4 votes

Answer:

no solution

Explanation:

4(r + 20) = 1/5(20r + 400)

4r + 80= 4r+ 80

-4r -4r

80= 80

Hope this helps

User Victor Kim
by
4.1k points
3 votes

Answer:

r = r

Explanation:

4(r + 20) = 1/5(20r + 400)

4r + 80 = 4r + 80

- 80 - 80

4r = 4r

4 4

r = r

User Jsog
by
4.1k points