Cambridge Math|Class 8|Exercise 7.3 1. Solve the following: (a) \(\ \frac{5x-7}{3x}=2 \) ⇒ \(\ 5x-7=2×3x\) ⇒ \(\ -7 = 6x-5x \) ⇒ \(\ x=-7 \) (b) \(\ \frac{5-7y}{2+4y}=\frac{-8}…
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Cambridge Mathematics
Cambridge Math|Class 8|Exercise 7.2 1. Solve the following: (a) \(\ 15y=10y-5 \) ⇒ \(\ 15y-10y=-5 \) ⇒ \(\ 5y=-5 \) ⇒ \(\ y = \frac{-5}{5}⇒y=-1 \) (b) \(\ 8-a=5a-3 \) ⇒ \(\ 8+3=5a+a \) ⇒ \(\ 11 = 6a…
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Cambridge Math|Class 8|Exercise 7.1 1. Solve the following: (a) \(\ x+8=2 \) ⇒ \(\ x=2-8 \) ⇒ \(\ x=-6 \) (b) \(\ 2z-15=30 \) ⇒ \(\ 2z=30+15 \) ⇒ \(\ z=\frac{45}{2} \) ⇒ \(\ z=22.5 \) …
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