Can someone please help? I will give brainleist

Find the value of the variable and the length of each secant segment.

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

Which of the following equations is equivalent to x/3-6/x=1