Question 133140
"the product of 8 and a number is 88," 8x=88
 "the sum of three and twice a number is 55" , 3+2x=55
 three times the sum of three and a number is 57" 3(3+x)=57
"eight more than five times a number is that number increased by 28". 8+5x=x+28

(in all cases x is the number)