Question

what is the solution for 3(n-1)=21​

Answer 1

Answer:

n=8

Step-by-step explanation:

3(n-1)=21

3n-3=21

3n=21+3

3n=24

n=24/3

n=8

Answer 2

Answer:

Ok lets do it 3(n-1) =21

3n-3=21 multiplying by 3

3n=24 transferring of -3 to right hand side

n=8 transfer of 3 to right hand side