SOLUTION: 0.4x+2<0.8x-9
Algebra.Com
Question 242363: 0.4x+2<0.8x-9
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
0.4x+2<0.8x-9
.4x-.8x<-9-2
-.4x<-11
x>-11/-.4 note: the < changes to a > when divided by a negative value.
x>27.5 ans.
Proof:
Let x=28
.4*28+2<.8*28-9
11.2+2<22.4-9
11.2<13.4
RELATED QUESTIONS
4x^2-8x+1=0 (answered by checkley77)
4x^2+8x+5=0 (answered by jim_thompson5910,stanbon)
4x^2-9=0 (answered by MathLover1)
xsquared-8x-9=0 (answered by stanbon)
(8x^2 - 18x + 9) (x - 9)=... (answered by tran3209)
solve by factoring... (answered by solver91311)
Please solve:
4x^2+8x-4=0
(answered by chibisan,stanbon)
Solve: 4x^2 - 8x + 1 =... (answered by JBarnum)
3/4x^2+8x+20=0 (answered by ewatrrr)
Solve for x. -8(4x + 0) + 4(8x-2) = x –... (answered by checkley75)