For y=mx+cy = mx + cy=mx+c, work out the value of y y\,y when m=−3m = -3m=−3, x=−8x = -8x=−8 and c=−5c = -5c=−5.
296 exam-style questions on Eduqas GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.