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Equations, SM-Bank 089

Solve  \(7-2w=3(4-5w)\)  (3 marks)

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\(w=\dfrac{5}{13}\)

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\(7-2w\) \(=3(4-5w)\)
\(7-2w\) \(=12-15w\)
\(-2w+15w\) \(=12-7\)
\(13w\) \(=5\)
\(w\) \(=\dfrac{5}{13}\)

 

Filed Under: Equations Tagged With: num-title-ct-core, smc-4215-27-Multi-step

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