Verify that x=−6y−125\displaystyle x = \frac{-6y - 12}{5}x=5−6y−12 is the subject of 5x+6y+12=05x + 6y + 12 = 05x+6y+12=0
210 exam-style questions on OCR GCSE Maths Changing the Subject of a Formula. Each one has a worked solution and a mark scheme showing where the marks go.