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Intermediate November 2021 Unit 1 Q7

7. \(AB\) and \(CD\) are parallel.

Parallel lines AB and CD crossed by a transversal; the angle (4x + 5)° is below AB on the left of the transversal and the angle 57° is above CD on the right of the transversal

Diagram not drawn to scale

Calculate the value of \(x\). [3]