214k views
5 votes
Please explain how to do this system of equations 2y=6x+10 y=2x+4

User Jeremy Su
by
3.5k points

1 Answer

11 votes

Answer:

x=-1, y=2

Explanation:

Given:

2y=6x+10

y=2x+4

Substitution for y into first equation:

2(2x+4)=6x+10

4x+8=6x+10

0=2x+2

2x=-2

x=-1

y=2(-1)+4

y=2

User Ranjeeta
by
3.3k points