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Addition and Subtraction of Algebraic Expressions

i Add: 3mn, -...

Question

Question 2 (i)

Add:

3mn, -5mn, 8mn, -4mn

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Solution

3mn, -5mn, 8mn, -4mn = 3mn + (-5mn) + 8mn + (-4mn)
= (3 - 5 + 8 - 4)mn = 2mn

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Addition and Subtraction of Algebraic Expressions

Standard VII Mathematics

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