Question

a=2 and b=1, find the value of 2a + 3b

Answer 1

Answer:

2*2+3*1

4+3

7 is the right answer.

Answer 2

$a = 2 \\ b = 1$

$2a + 3b = 2(2) + 3(1) \\ = 4 + 3 \\ = 7$