y=mx+cy = mx + cy=mx+c m=−2m = -2m=−2 x=12x = 12x=12 c=−7c = -7c=−7
Work out the value of yyy.
Practise Oxford AQA IGCSE Maths Substitution with exam-style questions for Core and Extended tier. 27 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) 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.