Can someone please help me with this image?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers