Answer:

let the number be x

ATQ

6x - 12 = 30

6x = 30 +12

6x = 42

x= 42/6

x =7

hence the number is 7

Answer:

3x-6=12

Step-by-step explanation:

3x-6=12 (add 6 both sides)

3x=18(divide by three both sides)

x=6 (answer)