Answer:
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)
x-y=7
-9.5 - y=7
-y=16.5
y= -16.5
Yes because 0 and 4 dont equal 10 and 20 and 40 dont equal 100. So no and 40 + 23 = 63.
Answer:15 candy bars are solddd
Step-by-step explanation:
[Chorus]
I might just K.O., the Perc' up in my Faygo
Run up on me wrong, turn his head into a bagel
On the opposition block, just like a Lego
I'm big homie, b, so you know that I got say-so
Expand the factored expression (multiply all the terms back together), and see if it matches up with the original expression.