2. The number x is increased by seven. Three-fourths of this number is then decreased from twenty.
3. x decreased by the product of z and y.
4. Four less than twice of the product of x and 7.
5. The quotient of sum of forty-four and twice of x, and twelve less y.
6. Twenty-five is diminished by the difference of four and the product of 2 and x.
7. The difference of the squares of x and y multiplied by the square of the sum of x and y.
8. The quotient of the difference of twice of x and 7, and 7 less x
9. The product of the sum and difference of x and z.
10. The ratio of the sum of twice of x and 7 to y.