step-by-step explanation:
step 1: solve one of the equations for one of the variables. let's solve the first equation for y:
step 2: substitute that equation into the other equation, and solve for x.
step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.
96 39 cause 135 -96=39 im smart (i used a calculater)
my guess is