SOLUTION: Solve 0.4x + 3 <_ 1.2x -6 the solution is {x l x ? ?} Can someone help me with this one please??

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve 0.4x + 3 <_ 1.2x -6 the solution is {x l x ? ?} Can someone help me with this one please??      Log On


   



Question 141405: Solve
0.4x + 3 <_ 1.2x -6
the solution is {x l x ? ?}
Can someone help me with this one please??

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve
0.4x + 3 <_ 1.2x -6
Subtract 0.4x from both sides to get:
3 <= 1.6x -6
Add 6 to both sides to get:
9 <= 1.6x
Divide both sides by 1.6 to get:
5.625 <= x
Reverse the reading of the inequality:
x > = 5.625
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Cheers,
Stan H.
the solution is {x l x ? ?}
Can someone help me with this one please??