Question

x-5x+6=0


x-8x+7=0



x-9x+8=0

Answer 1

x-5x+6=0
-4х=-6
х=-6:(-4)=1.5
x-8x+7=0
-7х=-7
х=-7:(-7)
х=1
x-9x+8=0
-8х=-8
х=-8:(-8)
х=1

Answer 2

1) x - 5x + 6 = 0 2) x - 8x + 7 = 0. 3) x - 9x + 8 = 0
- 4x = -6 | : (-4). - 7x = -7. | : (- 7). - 8x = - 8 | : (-8)
x = 1.5 x = 1 x = 1