Question

The denomerator of a rational no. Is 3 less than its numerator.If numerator is doubled and denomerator is incresed by 15

Answer 1

Step-by-step explanation:

suppose x= denominator and y=numerator

x-y=3 .1equation

15x+2y= 0 equation 2

multiplying equation 1by 2

2(x-y=3)

2x-2y=6 equation .3

so there answer is x=6 and y9 is the solution