<span>Percent error is the percentage ratio of the observed value and the true value difference over the true value so you don't need plus or minus signs. Thanks!</span>
The answer would be 1/15.
Find the greatest common multiple of each fraction, then add them. You will get 1/15 out of it.
Answer:
2x + 3y +1
Step-by-step explanation:
-2x + 4x -6y + 9y +3 -2 (arranging)
2x + 3y + 1
10(N + 3)
= 10N + 30
Hence, the answer is A.