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Foundation November 2016 Unit 2 Q12

WJECFoundationCurrent spec4 marksExpanding BracketsFunctionsSolving Simple Equations

12.

(a) Solve the equation  \(3x - 2 = 10\). [2]
(b) A number machine is shown below.
INPUT⟶ADD
5		⟶MULTIPLY
BY 7		⟶OUTPUT
Calculate the OUTPUT when the INPUT is −2. [1]
(c) Expand \(2(x + 3)\). [1]
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