Problema Solution

Find three consecutive integers such that 3 times the third integer is 15 more than the sum of the first two.

Answer provided by our tutors

x, x+1, x+2.

 

so, 

3(x+2) = 15 + x + x + 1

3x + 6 = 2x + 16

x = 10.

So, numbers are 10, 11, 12.