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dimulka [17.4K]
1 year ago
6

Simply the expression a = -3; b = 9 -7a + 4b 46? -15? 15? 57?

Mathematics
1 answer:
7nadin3 [17]1 year ago
6 0

Answer:

57

Step-by-step explanation:

-7a + 4b

Let a = -3  b = 9

Substitute the values in

-7(-3) + 4(9)

Multiply

21 + 36

Add

57

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