rosetoheart2
05.01.2021 •
Mathematics
Y=3x+62x+4y=−4 What is the value of y in the system?
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Ответ:
9514 1404 393
y = 0
Step-by-step explanation:
We assume you want to find y such that ...
y = 3x +62x +4y = -4Dividing the second equation by 2, we can write an expression for x.
x +2y = -2
x = -2y -2
Substituting this into the first equation gives ...
y = 3(-2y -2) +6
y = -6y -6 +6 . . . eliminate parentheses
7y = 0 . . . . . . . . . add 6y
y = 0 . . . . . . . . . . divide by 7
The value of y in the system of equations is 0.
Ответ:
53
Step-by-step explanation: