Answer:
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Answer:
i believe it would be 6 1/2 simplified or 6 2/4 unsimplified
Step-by-step explanation:
Answer:
the answer is 8. just think of it as subtraction. subtract +6 from +14. then you get the answer for +14+-6.
The sum of the interior angles of a triangle is 180 degrees
2x-9+3x+x+3=180
6x-6=180
6x=186
x=31
A=2(31)-9
A=62-9
A=53
D, you have to factor 3 out of 6x squared