Answer:
y=-2
Step-by-step explanation:
-7y+2=16
-2 -2
-7y=14
_____ <dividing line
-7 -7
y=-2
Answer: Last option.
Step-by-step explanation:
Given the equation:

Follow these steps to solve it:
- Subtract the fractions on the left side of the equation:

- Using the Difference of squares formula (
) we can simplify the denominator of the right side of the equation:

- Multiply both sides of the equation by
and simplify:

- Multiply both sides by
:

- Apply Distributive property and simplify:

- Divide both sides of the equation by -6:

- Factor the equation and solve for "m":

In order to verify it, you must substitute
into the equation and solve it:

<em>NO SOLUTION</em>
Your numbers will be 3+2+3=8
If you try the hint, the first number minus the 2nd plus the third is 4 then: 3-2+3=4
Answer: 3+2+3=8
True, this is a Pythagorean identity.
<span>Electron configuration
</span>Kr 5s1