Ex 10.2, 7 (iv) - 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, 7 Simplify these expressions and find their values if x = 3, a = –1, b = -2 (iv) 10 – 3b – 4 – 5b 10 – 3b – 4 – 5b = b (–3 − 5) + (10 − 4) = b (−8) + 6 = −8b + 6 Putting b = −2 = −8(−2) + 6 = 16 + 6 = 22
