Answer:
(-4, 2)
Step-by-step explanation:
4x+2y=-12
3x+y=-10
Start by dividing the first equation by 2 to simplify it...
2x+y=-6
Then, subtract -2x from both sides to isolate y...
y=-2x-6
Substitute -2x-6 for y in the second equation...
3x-2x-6=-10
Combine like terms...
x-6=-10
Add 6 to both sides
x-6+6=-10+6
x=-4
Plug -4 in for x to solve for y:
3(-4)+y=-10
-12+y=-10
Add 12 to both sides
-12+12+y=-10+12
y=2
(x,y)=(-4,2)
Answer: i dont kniw i need help too
Step-by-step explanation: :(
Answer:
7.4 km/h.
Step-by-step explanation:
There are 2 30 minute periods in 1 hour.
Therefore his average speed is 2* 3.7 = 7.4 km/h.
Well first all you have to do is simplifying both sides of the equation then of course isolating the variable then you should end up with
Hopefully this helps ^0^ Mark Brain