Since the 7 is in front of the parentheses you must multiply it by everything inside the parentheses. 7 times X is 7X and 7 times -2 is -14. Then you need to make the X be by itself on one side, to do that you have to add 14 to -14 to make it disappear, and also add 14 to the other side, to 28. Then you divide both sides by 7 to make X be by itself.
7(x-2)=28
7X-14=28
7x=42
X=6
Answer:
Step-by-step explanation:
See comment for complete question
Given:
Required
The information that shows 
by SSS
By SSS implies that, the three sides of both triangles are congruent
Already, we have:
The third side of 
is 
The third side of 
is 
So, for both to be congruent by SSS, the third sides must be congruent
i.e.
It took 12 days for all the 60 gallons of water to leak out of the barrel. If you divide 60 by 5 you will get 12.
What you can put is an obtuse 108 degrees
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