SOLUTION: Solve: -2x > 1/9
Algebra.Com
Question 207838: Solve: -2x > 1/9
Found 2 solutions by rapaljer, checkley77:
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
One of the most important rules of first level algebra is "WHEN YOU MULTIPLY OR DIVIDE BOTH SIDES OF AN INEQUALITY BY A NEGATIVE NUMBER, YOU MUST REVERSE THE DIRECTION OF THE INEQUALITY SIGN!"
You have to do this here, when you multiply both sides by -1/2:
R^2
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
-2x > 1/9
x<(1/9)/-2 (note: the > sign changes to the < sign when dividing by a negative value).
x<1/9*-1/2
x<-1/18 ans.
Proof:
Let x=-1/19
-2*-1/19>1/9
2/19>1/9
-.1053>-.1111
RELATED QUESTIONS
solve -2x >... (answered by rfer)
Solve 9^(1-2x) = 81 (answered by pmatei)
solve 9^(2x + 1) =... (answered by longjonsilver)
Solve 3^x-1=... (answered by jim_thompson5910)
Solve using multipliction principle:
-2x >... (answered by stanbon)
solve algebraically... (answered by Alan3354)
1/2x=9/10 solve for... (answered by JBarnum)
solve using multiplication principle... (answered by ganeshindia)
solve for... (answered by jsmallt9)