Question

Постройте график уравнения:

1)х+у = -8

2) 4х-у = 2

3) 6х+2у = 8

Answer 1

1) x+y+8=0.

2)4x-y-2=0.

3)3x+y-4=0

1) x+y=-8

x+y+8=-8+8

x+y=-8

2)4x-y=2

4x-y-2=2-2

4x-y-2=0

3)6x+2y=8

6x+2y-8=0

3x+y-4=0