Question

If a = 3 and b = 4, find 2a + 3b.

Answer 1

18

Explanation:

Substitute and simplify, it's all there is to this one. (:

2a + 3b (original)

2(3) + 3(4) (substitution)

6 + 12 (simplification)

18 (simplification)

Answer 2

18

Explanation:

a = 3

b = 4

Find 2a + 3b

We substitute 3 and 4 for a and b:

2(3) + 3(4) =

6 + 12 = 18

-Chetan K