The sum of two consecutive intagers is -131 what are the two intgers?

Question

The 1st integer? The 2nd consecutive intager?

Answer 1

Hi Tqmmy!

 

The formula for the sum of three consecutive integers is (x )+ (x+1) + (x+2).  The problem is asking for the sum of two

 

consecutive integers that equal -131.  The first number is always just x in finding the solution and the problem becomes:

 

(x) + (x+1) = -131.  Simply solve for x to get the first number.  2x + 1 = -131.  Subtract 1 from both sides becomes

 

2x = -132.  Divide each side by 2 becomes the answer for the first number x = -66.   If the first number is -66, the second 

 

number is (-66+1) which is -65.  Check your answer by adding -66 + (-65) = -131.  Check, Done!!  Go to the head of

 

the class!!