[tex]y = - 9x - 6[/tex]

Answer: [tex]9x+y=-6[/tex]
Step-by-step explanation:
[tex]Standard: Ax+By=C[/tex]
[tex]y=-9x-6[/tex]
We need -9x on the left side, to move it, we must add 9x on both sides.
[tex]9x+y=-9x-6+9x\\9x+y=-6[/tex]
Done. We have Ax = 9x, By = 1y and C after the equal sign = -6