SOLUTION: I can't solve this. 0.5x + 2 <(underlined) 0.9x-9 The solution: {x|x__ __} What inequality symbol do I use?

Algebra ->  Decimal-numbers -> SOLUTION: I can't solve this. 0.5x + 2 <(underlined) 0.9x-9 The solution: {x|x__ __} What inequality symbol do I use?      Log On


   



Question 457310: I can't solve this.
0.5x + 2 <(underlined) 0.9x-9
The solution: {x|x__ __}
What inequality symbol do I use?

Found 2 solutions by MathLover1, poliphob3.14:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

0.5x+%2B+2+%3C=+0.9x-9.....unknown variable on one side and known on the other side
++2%2B9+%3C=+0.9x-0.5x
+11+%3C=+0.4x
+11%2F0.4+%3C=+x
+27.5%3C=+x
or
+x+%3E=27.5
The solution: {x|x__>=27.5 __}

Answer by poliphob3.14(115) About Me  (Show Source):
You can put this solution on YOUR website!
To solve this inequality add in both sides 9-0.5x and get:
9%2B2=0.9x-0.5x=>11≤0.4x=> x>=110/4
Answer:The solution is:{x|x>=27.5}.