Question

a)4(3x+2)>32 b)1/2x-4<1/3x+2 c)x+5/4=7-x/6

/ ułamek

Answer 1

a)4(3x+2)>32

12x +8 >32

12x>24/:12

x>2

b)1/2x-4<1/3x+2

   1/2x -1/3x < 2 +4

   3/6x - 2/6x <6

   1/6x <6 /*6

         x < 36

c)x+5/4=7-x/6

  x + x/6 = 7 -5/4

   x + x/6 = 5,3/4 /*6

   2x = 9,1/2 /*1/2

   x = 9,1/4