6x - 6y = -30 6x - 4y = - 16 Subtract the two equations -2y = -14 divide both sides by -2 y = 7 Plug 7 back in to either equation and solve for x 6x -6(7) = -30 6x - 42 = -30 add 42 to both sides 6x = 12 divide both sides by 6 x = 2 CHECK (2,7) 6(2) -4(7) = -16 12 - 28 = -16 -16 = -16 check
