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Answered

Addition
-4 x + 2 y

+

-10 x + 2 y

ANSWER


"Evaluate answer
if x = 1 and y = 2"

SUBTRACT


9 x - 10 y

-

-9 x - 4 y

ANSWER


"Evaluate answer
if x = 2 and y = 1"

Sagot :

Elatcgo

Answer:

-6

30

Step-by-step explanation:

-4(1) + 2(2) + (-10(1)) + 2(2)

-4 + 4 + (-10) + 4

0 + (-6)

= -6

9(2) - 10(1) - (-9(2)) - 4(1)

18 - 10 - (-18) -4

8 - (-22)

8 + 22

=30

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