Question

6b
- + ab
3

b=2

a = 3

Answer 1

Explanation:

6b - + ab 3 when b=2 and a=3

You will need to change the letters for the numbers

6 x 2 - + 3 x 2 x 3

12 - +6 x 3

12 - +18 (here you change the - to + and what’s after is also changed so since it’s + you change it to -)

12 + -18

-6