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Brut [27]
3 years ago
11

Evaluate - 2y + x(-3) When x = -5 y = 3

Mathematics
2 answers:
GREYUIT [131]3 years ago
5 0
Try seeing the problem as
-2(y) + x(-3)
If you plug in 3 in place of y, you’ll get
-2(3) + x(-3).
If you solve the first half of the equation, you’ll be left with
-6 + x(-3)
Repeat this step with x, by plugging in -5 in place of x
-6 + -5(-3)
A positive * a positive = a negative, so your equation should look like
-6 + 15
If you flip it around, you’ll be left with a simple problem, and answer
15 - 6 = 9


Viktor [21]3 years ago
4 0

Answer:

27

Step-by-step explanation:

2(6) + -5(-3)

= 12+15

= 27

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