Answer: it's the second option, so B.
Step-by-step explanation:
Trust me, it's correct. (This answer for is Khan)
Answer:
lets goooooooo
1.3 hours I'm pretty sure
2. 9x+4y=16
-9x -9x
4y=-9x+16
---- ---- ----
4 4 4
y= -9x
--- +4
4
4. 4x+3y=-9
-4x =4x
3y=-4x-9
--- --- ---
3 3 3
y= -4x
---- - 3
3
6. 7x-3y=6
-7x -7x
-3y=-7x+6
--- ---- ---
-3 -3 -3
y= 7x
--- -2
