Solve the simultaneous equation:
3x+y=-4
3x-4y=6
1 answer:
3x+y=-4
3x-4y=6
--------------subtract
5y = -10
y = -2
Substitute y = -2 into 3x + y = -4
3x + (-2) = -4
3x - 2 = -4
3x = -2
x = -2/3
Answer
Solution x = -2/3, y = - 2 OR (-2/3 , - 2)
You might be interested in
I hope this picture helps :)
This is false, because the equation is then 12=2, which is incorrect.
Hope this helps!
~ThePirc
The answer to that is 2/5
A. Craig is taller
B. The positive is higher than the negative value