perezsharisse24
21.01.2021 •
Mathematics
What value of y satisfies the system of equations below?
2x – y= 12
X+ 3y = -1
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Ответ:
y=-2
Step-by-step explanation:
2x-y=12
-
x+3y=-1
2)
2x-y=12
-
2x+6y=-2
3)
-7y=14
y=-2
Ответ:
Yes.
Step-by-step explanation:
Any number raised to the power of 2 will be greater than the original number.
A positive number:
4² = 16
A negative number:
-3² = 9
Or:
0² = 0