Can you please include a question please? Thank you
Answer:
Step-by-step explanation:
Flip the equation.
Add -9 to both sides
Divide both sides by 7/8
hope this helps
Answer:
literally at this point i think its (D)
Step-by-step explanation:
Answer:
something perpendicular probably
{x+2y+2z=0
{2x+y+z=3
{x-3y-z=1
{x+2y+2z=0
-
{4x+2y+2z=6
{-3x=-6 → x=2
{-3y-z=-1
+
{y+z=-1
{-2y=-2 → y=1
{2+2+2z=0 → 2z=-4 → z=-2
Final triple is
(2; 1; -2)