exam Maths Puzzle Numerical Ability

5-(2/x-6)=10-2x/x-6

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exam Other Question

1. Solve by elimination method
4x - y = -3
y - 3 = 4x

2. Solve by graphing method
x - y = 3
x + y = 1

3. Solve by addition method
1/5x + 2/3y = -8/5
3x - y = 9 (a) Express 8 Sin theta - 15 Cos theta, in the format: R.Sin(theta + beta)
(b) Using your answer to part (a), solve; 8 Sin theta - 15 Cos theta=8.5 for 0degrees<=theta<=360degrees