-2x+16 = 0 -2x = -16 x = 8
-5x+3(x+8)=16-2x
8x + 16 = 6x -> 2x + 16 = 0 -> 2x = -16 -> x = -8
2x + 5y = 16 -2x - 3y = -14 2y = 2 y = 1 / x = 5.5 (5.5,1) or (5 1/2,1)
4
-2x+16 = 0 -2x = -16 x = 8
-5x+3(x+8)=16-2x
2x+4 = -16 2x = -16-4 2x = -20 x = -10
y=6x-16 y=-2x+8
8x + 16 = 6x -> 2x + 16 = 0 -> 2x = -16 -> x = -8
2x + 5y = 16 -2x - 3y = -14 2y = 2 y = 1 / x = 5.5 (5.5,1) or (5 1/2,1)
1
2x + 4 = 16 2x = 16 - 4 2x = 12 x = 12/2 x = 6
4
x=3
(5, 1)
2x + 7 + 2x = 23 4x + 7 = 23 4x = 16 x = 16/4 x = 4