v=2u+9wv = 2u + 9wv=2u+9w
u=12u = 12u=12 w=−2w = -2w=−2
Work out the value of vvv.
Practise OCR GCSE Maths Substitution with exam-style questions for Foundation and Higher tier. 100 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.