Question

Evaluate 2a+7b if a = 5 and b = 3

Answer 1

The answer is 31

Explanation:

Plug the numbers for the variables into the equation.

2×5+7×3

Multiply

10+21

Add

10+21 = 31

Answer 2

31

Explanation:

2(5) + 7(3) =31

2x5 = 10

7x3 = 21

10+21 = 31