The standard form of Y+6=-3 (*+1)

Answer: 3x+y=-9

Step-by-step explanation:

Step 1 is distribute y+6 = - 3 (x+1)

y+6 = -3x-3

Mow you have to move your x over because standard form is Ax+By=C

y+6+3x = -3

Move your + 6 by subtracting from both sides

3x+y=-9