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natita [175]
3 years ago
13

Answer this and I’ll make you Brainly!!

Mathematics
2 answers:
ANEK [815]3 years ago
6 0

Answer:

-20

Step-by-step explanation:

2(xy-7)

When x=-1 y=3

Substitute the value of x and y in the equation given

Dealing with the bracket first

xy=-1×3

xy=-3

Substitute it into the bracket (-3-7)

=-10

Then back to the question

2(-10)

= -20

morpeh [17]3 years ago
3 0
X=-1
y=3

2(xy-7) = ?

Substitute the numbers
2(-1x3-7)

Use BIDMAS
2(-3-7)
2(-10)
-20
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