hellp138
26.08.2019 •
Mathematics
When x=2 and y=4 what is value of 7x-y
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Ответ:
10
Step-by-step explanation:
So what we are doing in this question is simple substitution
So x = 2, y = 4
7x - y
So lets split it up first
7x
7 * (2)
We plugged in 2 for x
This is equal to 14
So the equation is looking like
14 - y
Now lets do the second part
- y
- (4)
We plugged in 4 for y
So no our equation looks like
14 - 4
= 10
Ответ:
answer: nothing idk
hyvvy
bybyb
step-by-step explanation: