davisz23
04.10.2019 •
Mathematics
Which ordered pair is the solution to the system of equations?
2x+y=-8
x−y=−4
1. (1, 5)
2. (−1, 3)
3. (−4, 0)
4. (−3, −2)
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Ответ:
#3. (-4,0)
Step-by-step explanation:
Add the two equations
2x + y = -8
x - y = -4. The y's cancel
3x +0 = -12. Divide both sides by 3
x = -4 Substitute for x in the first equation and solve for y.
2(-4) + y = -8
-8 + y = -8
y = 0
Solution: (-4,0)
Ответ:
Pls give me brainliest.