First observe that if
,

Let
and
. It follows that

Now let
, so
. Solving for
,

which means

Now solve for
.

(note that we assume
)

(we omit
since
is not true)
Answer:
nope
Step-by-step explanation:
y= 12
Answer:
64.3333333333
Step-by-step explanation:
Simplify the expression. Tap for more steps... Rewrite 64 64 as 43 4 3 .
Answer:
no, he would write 30 text messages in 10 minutes
Step-by-step explanation:
In system A, the first equation multiply by 4
8x - 4y = 12 (1st)
3x + 4y = 10 (2nd)
--------------------add
11x = 22
So answer is B.