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MEAP Preparation - Grade 7 Mathematics
2.31 Basic Operations With Variables - I

Addition: Addition of 7 to 3 is denoted by 3+7. Similarly addition of the variable 'y' to another variable 'x' is denoted by 'x+y'.

Subtraction: Subtraction of 2 from 8 is 8-2. Similarly subtraction of the variable 'q' from 'p' is 'p-q'.

Multiplication: The product of 4 and 5 is 4x5. Similarly the product of the variables 'a' and 'b' is denoted by 'axb'. axb is also written as a.b or ab.

Division: 8/2 means '8 divided by 2'. Similarly 'a divided by b' is denoted by a/b.

Directions: Express the following using signs of basic operations. Also write at least 10 examples of your own.
Q 1: The subtraction of 2x from 3.

Q 2: The sum of p and q.

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Question 4: This question is available to subscribers only!

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