Question

5. Find the value of the expression 5n - 7 at n= -1
a. -2
b.2
c. 12
d. -12​

Answer 1

Answer:

$5n - 7 \\ when \: \: n \: \: is \: \: - 1 \\ 5( - 1) - 7 \\ - 5 - 7 \\ - 12$

d.-12

Step-by-step explanation:

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Answer 2

Answer:

The answer is (-12) D

Step-by-step explanation:

5n-7=?

n=(-1)

putting value of n in the equation;

5n-7

5(-1)-7

-5-7

=> -12