Question: Question 4 - 25 marks This question is based on your work on MU123 up to and including Unit 5. (a) Simplify each of the

Question 4 - 25 marks This question is based on your work on MU123 up to and including Unit 5. (a) Simplify each of the following expressions as far as possible; multiply out any brackets, expand any algebraic fractions, and collect like terms together. Show your working. (i) 9(8 - 4t) (ii) 15 + m(9 - 7m) - 9m (iii) 16t - 8(7s - 5t) (iv) 10p(4 + 7p2) -5(6p - 9+ 8p3) (v) 5r- + 35x - 30 5r (b) Solve the following equations. Show your working and check that your answers are correct. (i) 16a - 13 = 32 + 7a [4] (ii) - 18 = 8(y - 12)

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