25.0k views
4 votes
Which ones are supplementary and the ones that are, what does x equal?

Which ones are supplementary and the ones that are, what does x equal?-example-1
User Benjol
by
8.0k points

1 Answer

3 votes

Answer:

9 and 10 are supplementary

Explanation:

9. (20x + 30) + (15x + 10) = 180

35x + 40 = 180

35x = 140

x= 4

10. (2x + 10) + (11x + 14) = 180

13x + 24 = 180

13x = 156

x = 12

User Caldazar
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories