Let's use a simple way. SPOE, APOE, DPOE, MPOE.
First, isolate the variable.
x5 + 3 = 2
-3 -3
x5 = -1/5 (5 divided by -1)
Answer to 5 divided by -1: -5.
A is the answer. (I'm pretty sure.)
If you need further help on steps, feel free to ask by replying.
~Realistic
Answer:
90
Step-by-step explanation:
30x3=90
Answer:

Step-by-step explanation:
Given


Required
The area of the shaded sector
This is calculated as:

This gives




If you are working with time or days, you can't put in a negative value because if you are doing an experiment, you can't go back in time to do that experiment to gather data. (Time for the most part considered to be an input value so that's why I used it as an example.)
Answer:
The system of equations is
and
Fred's age is 36 years old and Nathan's age is 9 years old
Step-by-step explanation:
Let
f -----> Fred's age
n ----> Nathan's age
we know that
-----> equation A
----> equation B
equate the equations and solve for n
Find the value of f
therefore
Fred's age is 36 years old and Nathan's age is 9 years old