Answer:
The standard form of
is -2 x + 3 y = 21.
Step-by-step explanation:
Here, the given expression is : y= 2/3 x +7
The standard form of the equation is ax + by = c
Now, simplifying the above expression:

or, 
or, -2x + 3y = 21
Hence, the standard form of
is -2x + 3y = 21.
W=0
Z=-2
Is there a need for explanation?
Answer:
for Vic: $10,000
for Billy: $6,000
TOTAL: $16,000
Step-by-step explanation:
19.95 + 3.98x = 63.73
3.98x = 63.73 - 19.95
3.98x = 43.78
x = 43.78/3.98
x = 11