Make x the subject of the formula y=(4x+5)/x

xy=4x+5 xy-4x=5x(y-4)=5x=5/(y-4)

RP

Related Maths GCSE answers

All answers ▸

y = 4x^2 + 20x + 11 is a curve. Find the minimum point of the curve.


How do I solve equations with unknowns in the denominators?


f(x) = 2x^2 + 7x + 6 . factorize this equation


How to work out a fraction of an amount?