Answer:
Option B.
Step-by-step explanation:
we have
Adds the polynomial
Group terms that contain the same variable
Combine like terms
<em>Janice's error was </em>
so
instead
and
instead
Answer:
so it would be (7x-4)+(5x+8) = 160
x=13
3x-6=6(x+2)
3x-6=6x+12 3x-6x=6+12
-3x=18 X= 18/-3 X= -6 first number .
For second number you substitute x+2.
-6+2=-4
Answer:
6 inches per year
Step-by-step explanation:
30 / 5
---------
5 / 5
= 6 inches
----------------
1 year
= 6 inches
-------------
year
= 6 inches per year