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Addition and Subtraction of Algebraic Expressions

iv Add: a + b...

Question

Add:

$a + b - 3, b - a + 3, a - b + 3$

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Solution

Given $a + b - 3, b - a + 3, a - b + 3$
By adding the above values, we get
$= a + b - 3 + b - a + 3 + a - b + 3$
Grouping the like terms
$= (a - a + a) + (b + b - b) - 3 + 3 + 3$
$= a + b + 3$
Hence, $a + b + 3$ is the final answer.

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Addition and Subtraction of Algebraic Expressions

Standard VII Mathematics

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