Question

please help me to solve​

Answer 1

Step-by-step explanation:

1. 3n =15

n=5

2.4n=20

n=5

4.2n=12

n=6

5.3n =18

n=6

7.3n=12

n=4

8.5n=20

n=4

10.3n=15

n= 5

11.4n=8

n=2

13.5n =10

n=2

14.3n =15

n=5

16.6n=30

n=5

17.9n=99

n= 11

hope helpful

Answer 2

Answer:

1.2n+6=18

n=18-6/2

n=6

2.4n+5=13

n=13-5/4

n=2

3.2n+6=18

n=18-6/2

n=6

4.3n-2=16

n=16+2/3

n=6

5.5n-6=14

n=14+6/5

n=4

6.3n+2=17

n=17-2/3

n=15/3=5

7.4n+6=14

n=14-6/4

n=2

8.5n-3=7

n=7+3/5

n=2