Solve the equation: 15/4 – 7x =9

Solve the equation: 15/4 – 7x =9

15/4 – 7x =9

Or, (15 – 28x)/4 =9

Or, 15 – 28x=9*4

Or, 15 – 28x =36

Or, -28x=36-15

Or, -28x=21

Or, x=-21/28=-3/4