71.3k views
2 votes
Hat is the value of x in the equation 4 x plus 8 y equals 40, when y equals 0.8? 4.6 8.4 10 12

2 Answers

0 votes

Answer:

8.4

Explanation:

:D

User Kevin Ng
by
4.9k points
5 votes

Explanation:

4x + 8y = 40

4x + (8×0.8) = 40

4x + 6.4 = 40

4x = 33.6

4x÷4 = 33.6 ÷ 4

x = 8.4

User Stefano Palazzo
by
5.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.