Answer:
D
Step-by-step explanation:
because it is not a linear equation
Answer: -5100
<u>Step-by-step explanation:</u>
267.95
any number that isn't 8 or above it
405
rearrange them properly to get
x-y=7
-3x+y=12
( by elimination method)
x-y = 7
-3x+y=
(x+ –3x) + (–y+y) = (7+12)
-2x+0= 19
x= -9.5
from eqn(i)
-9.5 - y=7
-y=16.5
y= -16.5
