answersLogoWhite

0


Best Answer

x-2y=1 => x=2y+1 (1)

3x+y=-4 (2)

sub (1) into (2)

3(2y+1)+y=-4

6y+3+y = -4

7y+3 = -4

7y = -7

y = -1

sub back into (1)

x = 2(-1)+1

x = -2+1

x = -1

User Avatar

Wiki User

14y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: X - 2y equals 1 3x plus y equals -4?
Write your answer...
Submit
Still have questions?
magnify glass
imp