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08.02.2021 •
Mathematics
Evaluate the expression.
-8.x – 3y if x = 4 and y = -2
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Ответ:
-38
Step-by-step explanation:
-8.x – 3y
x = 4
y = -2
Since we have the value for x and y we can use that and substitute it into the expression
-8(4) - 3 (-2)
-32 - 6
When you add 2 negative numbers (or subtract them) they will give you a bigger number so think of it as adding 2 positive numeber, but then putting a negative sign in the beginning of it.
-32 - 6
-38
Hope this helped!
Have a day!
Ответ: