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a) Solve 6x + 13 =2x +5 (2 marks) b) Expand and simplify (q + 7)(q - 3) (2 Marks)

a) 6x+8=2x, 8=-4x, x=-2

b) q2 + 7q -3q - 21, q2 + 4q - 21

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Answered by Claire P. • Maths tutor

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