Question

A=2 b=3 c=4

1) ab - c =
2) 6c - 2b=
3) a + b - c + 5 =
4) 7c - 2a =

Answer 1

Explanation:

1)ab-c

=2(3)-4

=6-4

=2

2)6c-2b

=6(4)-2(3)

=24-6

=18

3)a+b-c+5

=2+3-4+5

=10-4

=6

5)7c-2a

=7(4)-2(2)

=28-4

=24

Answer 2

1. 2×3=6 6-4= 2

2.6×4=24. 24-6=18

3.2+3=5. 5-4=1. 1+5=6

4. 7×4=28. 28-4=24

Explanation:

when a number is next to a letter it means to multiply