exam Maths Puzzle Numerical Ability

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0.4z-0.15=0.65-0.3(6-2z)

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exam Other Question



Solve 3x + 2y = 9 for y in terms of x.
Divide
x^2 – 9x + 20/ 3x – 15 ÷ x^2 – 16/9x + 36