8 + 5y = 18 Therefore, 5y = 10 y = 10/5 y = 2
(2, 3)
(-5, 2)
5y + 7 = 25y = -5y = -1
-2 = 3y-18-5y 16=3y-5y 16=-2y y=-8
5y-2y= 3y+2 5y-2y-3y= 2 0y= 2
(2, 2)
7x + 5y 7(3) + 5(2) 21 + 10 = 31
(2, 1)
3y+5.2=2-5y 8y=-3.2 y= -0.4
standard form
5y - 3y = 18 2y = 18 y = 18/2 y = 9