iloveuu2212 iloveuu2212

09-03-2015
Mathematics

Answered

solve the equations
9x+2=3x-10

3(x-2)=-2(x+3)

Answer :

Panoyin Panoyin

09-03-2015

9x + 2 = 3x - 10
-3x -3x
6x + 2 = -10
      -2    -2
   6x = -12
      6    6
   x = -2

3(x - 2) = -2(x + 3)
3(x) - 3(2) = -2(x) - 2(3)
3x - 6 = -2x - 6
+2x +2x
5x - 6 = -6
   +6 +6
      5x = 0
       5    5
   x = 0

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