Maths with David

    1 February

    👆🏼Solve 3(2x-6) = 12

    👇🏼In the following diagram, trapezium S and trapezium T are similar. Find x:

    🖐🏼Make x the subject of A = 2x3 – y

    👈🏼Calculate ( \frac{2}{3} )^{-2}

    👉🏼Given that f(x) = \frac{x-9}{3} and g(x) = 5x – 7, solve f-1(x) = g(x).

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