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Add: A + B - 3, B - A + 3, A - B + 3 - Mathematics

Add: a + b - 3, b - a + 3, a - b + 3

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Solution

(a + b - 3) + (b - a + 3) + (a - b + 3)

a + b - 3 + b - a + 3 + a - b + 3

a - a + a + b - b - 3 + 3 + 3

a (1 - 1 + 1) + b (1 + 1 - 1) + 3 (-1 + 1 + 1)

a + b + 3

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APPEARS IN

NCERT Class 7 Maths
Chapter 12 Algebraic Expressions
Exercise 12.2 | Q 2.04 | Page 239
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