Answer :
13x - 9x = 28
Combining similar terms,
4x = 28
4 is multiplying on the left, then it will divide on the right,
x = 28/4
x = 7
13x - 9x = 28
Combining similar terms,
4x = 28
4 is multiplying on the left, then it will divide on the right,
x = 28/4
x = 7