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B) Find the value of 5(a - 4b) when a = -7 and b = 1/4
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3 votes
B) Find the value of 5(a - 4b) when a = -7 and b = 1/4

User Rpheath
by
6.8k points

2 Answers

0 votes

Answer:

-40

Explanation:

5 ( a - 4b ) when a = -7 and b = 1/4

→ Substitute a and b in

5 ( -7 - 4 × ( 1 / 4 ) )

→ Simplify the multiplication

5 ( -7 - 1 )

→ Perform the operation -7 - 1

5 ( - 8 )

→ Perform the operation 5 × -8

-40

User Klein
by
6.5k points
1 vote

Answer:

5(-7-4*1/4)=5*(-7-1)=5*(-8)=-40

User Matt Lachman
by
8.3k points
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