Respuesta :

Answer:

x = -1

Step-by-step explanation:

y=-3x+6

Put y as 9 and solve for x.

9 = -3x + 6

Add 3x and -9 on both sides.

3x = 6 - 9

Subtract.

3x = -3

Divide 3 into both sides.

x = -3/3

x = -1

Answer:

Step-by-step explanation:

do you want it solved?

here it is, solved...

y=-3x+6

y=9

subsitution

9 = -3x + 6

x= - 1

pluggin for y

y = 3+6 = 9

y= 9

(-1,9)