Question

Make u the subject of the formula: v2 = u2 + 2as

Make y the subject of the formula: A = xy + yz

please help

Answer 1

v2=u2+2as
v2=2(u+as)
v2/2=u+as
u=as - v



A=xy+yz
A=y(x+z)
A/y=x+z
1/y=x+z/A