Make x x\,x the subject of 5x+6y+12=05x + 6y + 12 = 05x+6y+12=0
Hence, find the value of x x\,x when y=4y = 4y=4
210 exam-style questions on Eduqas GCSE Maths Changing the Subject of a Formula. Each one has a worked solution and a mark scheme showing where the marks go.