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Equations, SM-Bank 045

Find the value of  \(L\)  in the formula  \(P=2L+2W\)  if  \(P=42\)   and  \(W=3\).  (2 marks)

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\(L=18\)

Show Worked Solution
\(P\) \(=2L+2W\)
\(42\) \(=2L+2\times 3\)
\(42\) \(=2L+6\)
\(2L\) \(=36\)
\(L\) \(=18\)

Filed Under: Equations Tagged With: num-title-ct-core, smc-4215-30-Substitution

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