issakeke7 issakeke7
  • 20-04-2017
  • Mathematics
contestada

-4(-3x - 8) - 4x + 8 = -8x + 40

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BackPacker99
BackPacker99 BackPacker99
  • 20-04-2017
First we expand and combine the terms on the left side.  This gives us

12x + 32 -4x + 8 = -8x + 40 

8x + 40 = -8x + 40.  Because the two sides cancel each other out when you try and bring all the x to one side, the answer is x = 0.
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