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ahrayia [7]
3 years ago
6

Evaluate -7a – 2b, if a = -1 and b = 2

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
8 0

Answer:

3

Step-by-step explanation:

Plug in the values for a and b=     -7(-1)-2(2)

Multiply=   7-4

Subtract=   3

Hope this helps ^-^

Alborosie3 years ago
6 0

Answer:

3

Step-by-step explanation:

We'd just substitute the value provided to us with the variable.

-7(-1) - 2(2)

-7 * -1 = 7

-2(2) = -4

7-4 = 3

Our answer is 3

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