Twice one number added to another number is 18 . If the second number is equal to 12 less than 4 times the first number, find the two numbers.

First complete the equations below, where x stands for the first number and y stands for the second number.
2 x+y=[?] ; y=[] x-[]

Twice one number added to another number is 18 If the second number is equal to 12 less than 4 times the first number find the two numbers First complete the eq class=