Find a solution to an equation in two variables. Find the missing coordinate so the point makes this
equation true

Y=4, we know that x=2 so you plug in 2 for x, so -2x2=-4 and then you have -4+y=0. Add 4 to both sides then you have y=0

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20