Kamis, 02 Oktober 2014

LINIER

  1. x+3=2
            x=2-3
            x=-1
   
      2. -4+x=5
               x=5+4
               x=9


      3. 2x+4=-10
              2x=-10-4
              2x=-14
                x=-14/2
                x=-7


       4. -4=2x-8
         -4+8=2x
              4=2x
           4/2=x
              2=x


       5. -3+3x=-9
                 3x=-9+3
                 3x=-6
                   x=-6/3
                   x=-2


       6. 3x-6=8
              3x=8+6
              3x=14
                x=14/3
                x=4,6

         7. -5+2x=x-9
               2x-x=-9+5
                  1x=-4
                    x=-4/1
                    x=-4

          8. 4(4-y)+3y=13
              16-4y+3y=13
                  -4y+3y=13-16
                        -1y=-3
                           y=-3/-1
                           y=3

          9. 3(2-a)+2a=8
                 6-3a+2a=8
                         -1a=8-6
                           -a=2
                           -2=a

           10. 2(6-p)-3p=-8
                  12-2p-3p=-8
                           -5p=-8-12
                           -5p=-20
                              p=-20/-5
                              p=4