algebraic expression or equation
1 the sum of four and eight times a number is twenty.
2.the weight of romans father is 5 kg less than 3 times romance wait.
3. twenty times a number less two.
4. tree times the difference of a number and one.
5.half a number decreased by twelve.
6.the difference between tree and twice a number plus one
7. the product of a number and nine.
8. a number divided by tree is eight .
9.six less than a number is
forty-five .
10. ten added to a number.​