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A variable is any letter or symbol that represents a number.

A constant has a fixed value that does not change.

An algebraic expression is a mathematical phrase that uses variables, numbers and aceration symbols.
Directions:
A. Determine the constant and the variable in each algebraic expression
1. 2a Constant __ Variable__
2. X + 3y Constant __ Variable __
3. 27 +5 Constant __ Variable __
4. - 3c Constant __ Variable __
5. Y-4 Constant __ Variable __

B. Translate the following word phrases into algebraic expressions. 1. 5 more than x ______
2. Mincrease by ten_______
3. Seven subtracted from k _____
4. P divided by six _______
5. Y less than one hundred______​