SOLUTION: Solve each equation. Check for extraneous solutions. 1. [7x+2]-2=7x 2.(-2-x)^0.5-x=2
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Question 180109
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Solve each equation. Check for extraneous solutions.
1. [7x+2]-2=7x
2.(-2-x)^0.5-x=2
Answer by
Alan3354(69443)
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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