Question

Evaluate 4a+7b+3a-2b for a =5 and b=-3

Answer 1

Answer: 20

Explanation:

Plug in the numbers for the variable

4(5) + 7( -3) + 3(5) - 2(-3)

20 - 21 + 15 + 6

-1 + 15 +6

14 + 6

20

Answer 2

20

Explanation:

a = 5

b = -3

4(5) + 7(-3) + 3(5) - 2(-3) = 20