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Find x: 4x + 7 = 27

4x + 7 = 27 4x = 20 x = 5

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i) The point A on a graph is (6,-7), and point B is (3,5). Calculate the equation of the straight line that passes through both A and B. ii) Does the line pass through the point C (-2,26)?

y is inversely proportional to d^2 and when d = 10, y = 4. d is directly proportional to x^2 and when x = 2, d = 24. Find a formula for y in terms of x. Give your answer in its simplest form.

Solve the simultaneous equations: x + 3y = 26 and x - 3y = -22

Complete Question won't fit here. Please see Explanation. Thanks.

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