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Ex 12.3, 6 - Chapter 12 Class 7 Algebraic Expressions - Part 3

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Ex 12.3, 6 Simplify the expressions and find the value if x is equal to 2 (iii) 6x + 5 (x – 2) 6x + 5 (x − 2) = 6x + 5x – 10 = 11x – 10 Putting x = 2 =11(2) – 10 = 22 – 10 = 12

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