SOLUTION: How do I solve each equation and check the solutions. I'm sorry I don't have any textbook information: 3 square root 2z = 9 square root 2x-1 = x-7

Algebra ->  Radicals -> SOLUTION: How do I solve each equation and check the solutions. I'm sorry I don't have any textbook information: 3 square root 2z = 9 square root 2x-1 = x-7      Log On


   



Question 121572: How do I solve each equation and check the solutions. I'm sorry I don't have any textbook information:
3 square root 2z = 9
square root 2x-1 = x-7

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3sqrt%282z%29=9
sqrt%282z%29=3 Divide both sides by 3.
2z=9 Square both sides.
z=9%2F2 Divide both sides by 2.
sqrt%282x-1%29=x-7
2x-1=49 Square both sides.
2x=50 Add 1 to both sides.
x=25 Divide both sides by 2.