Question

Find the value of expression 7a – 4b for a = 3, b = 2 .

Answer 1

Step-by-step explanation:

7a – 4b

$7 \times 3 - 4 \times 2$

$21 - 8$

$13ans$

Answer 2

Find the value of expression 7a – 4b for a = 3, b = 2 .

$7 \times 3 - 4 \times 2 \\ 21 - 8 \\ = 13$