Please see the attached file for the fully formatted problems.
Solve: 2 sqrt(x+1) + 7 = x (for all real solutions)
2sqrt(x+1)+7 = x
Get the radical by itself:
2sqrt(x+1) = x-7
Divide both sides by 2
sqrt(x+1) = (x-7)/2
This shows how to solve a radical equation.