Question

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

Answer 1

3

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

Answer 2

3

Explanation:

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

Multiply= 7-4

Subtract= 3

Hope this helps ^-^