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### MEAP Preparation - Grade 7 Mathematics2.27 Variables And Constants

 Variable: A letter symbol which can take any value of a certain set is called a variable. Constant: A quantity that has only one fixed value is called a constant. Example: In the expression 2x-1, x is a variable and 2 and 1 are constants. Directions: Choose the correct answer. Also write at least 5 examples of variables and constants of your own.
 Q 1: 2x + 3, find the variable.2nonex3 Q 2: 93x + 4, find the constants.x and 93none93 and 44 and x Q 3: 7y + 3, find the variable.3noney7 Q 4: 72x + 3, find the constants.x and 72x and +3 and x72 and 3 Q 5: 702x - 7, find the variable.none7027x Q 6: 82x + 7y, find the variables.7 and y82 and 7x and y82 and x Q 7: 3x = 2, find the constants.2 andnonex and 2x and 3 Q 8: 92x, find the constant.nonex9292x Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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