SOLUTION: find all solutions of this equation -2|x|=-20

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: find all solutions of this equation -2|x|=-20      Log On


   

Question 474383: find all solutions of this equation
-2|x|=-20
Found 2 solutions by jorel1380, richard1234:
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
-2|x|=-20
x=10 or -10..

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Divide both sides by -2

|x| = 10

x = 10, -10