Question

Penyelesaian dari 1/2(8-2x) > 1/3(4-x) =
a. x < -4
b. x > -4
c. x > 4
d. x < 4

Answer 1

1/2(8-2x)>1/3(4-x)
4-x>4/3-1/3x
-------------------- x3
12-3x>4-x
-2x>-8
   x<4 (D)

Answer 2

= 12-3x > 4-x
=13x+x > 4-12
=(-2x > -8)-1
=2x < 8
=x< 4