SOLUTION: Solve each equation. Check for extraneous solutions. 1. [7x+2]-2=7x 2.(-2-x)^0.5-x=2

Algebra ->  Algebra  -> Rational-functions -> SOLUTION: Solve each equation. Check for extraneous solutions. 1. [7x+2]-2=7x 2.(-2-x)^0.5-x=2       Log On

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Question 180109: Solve each equation. Check for extraneous solutions.

1. [7x+2]-2=7x
2.(-2-x)^0.5-x=2

Answer by Alan3354(21605) About Me  (Show Source):
You can put this solution on YOUR website!
Solve each equation. Check for extraneous solutions.
1. [7x+2]-2=7x
7x = 7x
There's no unique solution, x can be any value.
-----------------------------
2.(-2-x)^0.5-x=2
Square both sides
-2-x = 4
x = -6