Ex 10.2, 6 (i) - Chapter 10 Class 7 Algebraic Expressions
Last updated at Dec. 16, 2024 by Teachoo
Ex 10.2
Ex 10.2, 1
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Chapter 10 Class 7 Algebraic Expressions
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Transcript
Ex 10.2, 6 Simplify the expressions and find the value if x is equal to 2 (i) x + 7 + 4 (x – 5) x + 7 + 4(x – 5) = x + 7 + 4x – 20 = 5x – 13 Putting x = 2 = 5 × 2 – 13 = 10 – 13 = −3
