Translate the following mathematical phrases and sentences into expressions and
equations.
1) The difference of twenty-five and a number is equal to the sum of three and the
same number
2) The product of fifteen and a number added to the difference of nineteen and the
same number.
3) The sum of ninety and a number divided by the difference of thirty and the same
number.
4) Fifty-four decreased by a number is the same as twenty-six increased by the same
number.
5) Thrice a number divided by thirty is nine.​