3 (x-1) - 8 = 4 (1+x) + 5 Solve it please?

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?