I think of a number,multiply it by 3 and add 7.i get the Same answer if I multiply the number by 4 and subtract 12.find the number

Answer 1

3n + 7 = 4n - 12

19 = n

Answer 2

3n+7=4n-12
4n-3n=7+12
n=19
=

Answer 3

It really helped me . Thanks.