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6b + 40 = – 100 – B - Mathematics

6b + 40 = – 100 – b

Sum

6b + 40 = – 100 – b

⇒ 6b + b = - 100 - 40

⇒ 7b = - 140

⇒ b = `(-140)/7 = -20`

∴ b = - 20

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Chapter 12: Simple Linear Equations (Including Word Problems) - Exercise 12 (B)

Chapter 12 Simple Linear Equations (Including Word Problems)
Exercise 12 (B) | Q 10

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