PLEASE ANSWER DONT USE LINKS I BEG OF YOU Direction: Write an algebraic expression or equation for each word phrases or algebraic sentences.

1. Five times x decreased by twenty-five.

2. Eighteen is added to the difference of a number and thirty-eight, the sum is ninety.

3. One hundred fifty is equal to fives times a number and twenty-eight.
How do we define a variable in an algebraic expression? What is a constant? What is an algebraic
expression?

A
has a fixed value that does not change.

А
any letter of the alphabet used to represent a number in an expression or
equation.

is a mathematical phrase that uses variables, numerals and operation symbol​