danksans4912
12.10.2020 •
Mathematics
What is the value of y in the following system?
4x - 10y = -3
12x + 5y = 12
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Ответ:
Y=3/5
First, set it up so they cancel. I recommend multiplying the second equation by 2, getting
add them together, and you get
so
then, you plug x into one of the equations (first because it's easier) and get
so
and
Ответ: