math problems help me!!!!!!!!?

write out the equations and solutions so i can compare them with mine
1. if the sum of 3 consectutive intergers are 99 what is the smallest interger?
2.three numbers add up to 112 the second number is twice as large as the first determine the value of n, the smallest of these three numbers?
3.during the whole 3 months period a total of 232 house sold only half as many sold in july as sold in june how many homes (n) (hint june sales = 2n )

1.) x=smallest integer, x+1 = medium, x+2 = large
x+x+1+x+2= 99
3x+3=99
3x=96
x=22
smallest = 22

like to help more but i gtg do MY math hw