Make a a\,a the subject of v2=u2+2asv^2 = u^2 + 2asv2=u2+2as
Hence, make s s\,s the subject of v2=u2+2asv^2 = u^2 + 2asv2=u2+2as
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.