Step-by-step explanation:
when f=9, g=-3, then
- 8(3×9-(-3))
- 8(27+3)
- 8(30)
- 240
0.825200
(correct me if I’m wrong)
Solution of the equation: 
Step-by-step explanation:
The equation that we have to solve in this problem is:

The first step to do is to rewrite the mixed fractions as improper fractions. We have:

And

So the equation becomes

Now we multiply by 4 each term on both sides, and we get

Now we subtract 29 from both sides,

And finally, we divide both sides by 4:

Learn more about equations:
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I would draw the triangle then it would be easier to answer. It is not an equilateral because it is not equal on all sides. Perhaps scalene because all the sides are not the same.
Six million, seven thousand and two hundred.