185k views
5 votes
2x+4y=0 y=1/2x-3 solve for x

User Yarian
by
2.9k points

2 Answers

11 votes

Answer:

There are 2 equal signs in this equation there is no way to solve it if there are 2 equal signs

Explanation:

User ObscureCookie
by
3.7k points
11 votes

Answer:

x = 1/3

Explanation:

2x + 4y = 0

y = 1/2x - 3

substitution method: 2x + 4(1/2x - 3) = 0

2x + 2x - 4/3 = 0

4x = 4/3

12x = 4

x = 4/12 or 1/3

User Rintze Zelle
by
3.6k points