brianarivera037
brianarivera037 brianarivera037
  • 28-09-2017
  • Mathematics
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12(x+3)=4(2x+9)+4x

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anthony12341
anthony12341 anthony12341
  • 28-09-2017
12(x+3)=4(2x+9)+4x
12x+36=8x+36+4x
12x+36=12x+36
12x=12x
0=0
true for all x
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