solve each problem:
1) If thrice a number is decreased by 4, the result is 26. What is the number?
2) The product of 3 and a number is added to five, the result is 17, What is the numb
3) The money that was left on her purse is P150.00. If she bought 3 apples for P100
and 2 oranges for P40.00. How much was her money before she bought those fr
