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 ▸By completing the square, find the coordinates of the turning point of the curve with equation y = x^2 + 10x + 2
Explain how to solve simulatentous equations.
A graph is sketched with the equation x^2+4x-5. Find the minimum point of this graph.
What is the value of x if x^2 - 3x +2=0?