Question

3n-15=-12 trail and error method
​

Answer 1

Step-by-step explanation:

the value of ‘n’ is 1 so

3n-15=-12

3n=-12+15

3n=3

n=3÷3

n=1

so its like this

i think its that's all

Answer 2

Answer:

3n-15= -12

3n= -12 +15

3n= 3

n = 3

3

n = 1 (answer )