-13+9=-4
When you add a positive number to a negative number the answer will get closer to 0 and then progress up in positive numbers. In this case we are finding which of the numbers equals -4 when added to -13. Remember, if you add a negative to a negative you will get a negative.
-13+-17=-30 This is the wrong answer.
-13+-9=-21 This is the wrong answer.
-13+17=4 This is the wrong answer. (This is positive 4 we are trying to find -4)
-13+9=-4 This is the right answer
Therefore X=9
Answer:
2.0986814e+29
Step-by-step explanation:
Answer:
Step-by-step explanation:
The formula for nth term of a the sequence is given as 
<u>Finding the 10th term means finding 
, which means to plug in 10 into n, in the nth term formula.</u>
<span>2x + x = 12
=> x =12/3 =4
so, original number is 84.
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