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3a = 18      Answer is 6

4 = f/3       Answer is 12

121 = 11a   Answer is 11

9x = 45     Answer is 5

3z = 36     Answer is 12

21 = x/3     Answer is 7

b/4 = 12    Answer is 48

48 = 6y     Answer is 8

g/7 = 7      Answer is 49

32 = 8a    Answer is 4

x/5 = 2      Answer is 10

8b = 56    Answer is 7

Step-by-step explanation:

3a = 18    Inverse operation : 18/3 = 6   So answer will be 6

4 = f/3     Inverse operation : 4 x 3 = 12  So answer will be 12

121 = 11a  Inverse operation : 121/11 = 11  So answer will be 11

9x = 45    Inverse operation : 45/9 = 5  So answer will be 5

3z = 36   Inverse Operation: 36/3 = 12  So answer will be 12

21 = x/3 Inverse Operation: 21/3 = 7  So answer will be 7

b/4 = 12 Inverse Operation: 4 x 12 = 48 So answer will be 48

48 = 6y Inverse Operation:48/6 = 8 Answer : 8

g/7 = 7 Inverse Operation: 7 x 7 = 49 Answer : 49

32 = 8a Inverse Operation: 32/8 = 4 4

x/5 = 2 Inverse Operation : 5x2 = 10 10

8b = 56 Inverse Operation : 56/8 Answer : 7

1. a=6

2.b=3

3. f=0.75

4. y=8

5. a=11

6. g=1

7. x=5

8.a=4

9. z=12

10.x=2.5

11. x=7

12.b=7

Step-by-step explanation:

I went across so I started on the left and went to the right problem that's how I solved it.

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4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation: