Question 99428
2(√y)-(√y-3)=(√5+y)
First square all terms to get rid of square roots;
{{{(2sqrt(y))^2-(sqrt(y-3))^2=(sqrt5+y)^2}}}
4y-y-3=5+y
3y-3=5+y
3y-y=5+3
2y=8
y=4
:)