Question

c)
d)
7×4-a= 9
m-5×4 = 42
b+4×9=93
9×4 - n = 18
8×4-C=15
4×4+0= 56
d+ 6×4 = 60
5×8+x=100
7×5+ e = 80
4×5+y= 80​

Answer 1

7×4-a=9

28-a=9

a=28-9

a=19

m-5×4=42

m-20=42

m=42-20

m=22

b+4×9=93

b+36=93

b=93-36

b=57

9×4-n=18

36-n=18

n=36-18

n=18

8×4-c=15

32-c=15

c=32-15

c=17