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Q: What is the solution to the linear system of equations? x + 4y = –8 x – y = 7
A: 8y. 2(4y) = 8y
Original conversation
User: How many solutions does the system of equations have?

User: What is the solution to the linear system of equations? x + 4y = –8 x – y = 7

Weegy: 8y. 2(4y) = 8y
migzptz|Points 7444|

Question
Updated 3/16/2013 6:40:26 AM
Rating
1
For the linear system of equations: x + 4y = –8 and x – y = 7, we can solve the second equation for x: x=y+7 and replace on the first equation: y+7+4y=-8 ;
5y=-15 ;
y=-15/5 ;
y=-3.
And x=-3+7=4.
Rated good by befeeter

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