Kamis, 02 Oktober 2014

REMEDIAL MTK

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         =
X           = -7

4.      -4         = 2x – 10
2x        = -10 + 4
X         =

X         = -3

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

6.      3x – 6  = 8 + x
3x – x  = 8 +6
2x        =14
X         =
X         = 7

       7. -5 + 2x  = -9 + 5
          2x – x    = -4
          X                       =
          X                       = -4

       8. 4(4-y) + 3y       = 13
          16 – 4y + 3y      = 13
           -4Y + 3Y          = 13-6
           -1y                      = -3
           y                         =
            Y                     = 3
           
      9.   3( 2 – a) + 2a   = 8
            6 – 3a + 2a       = 8
            6 - 1a               = 8
            -1a                   = 8 – 6
             a                     =
             a                     = -2

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