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  • 03-01-2017
  • Mathematics
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How can I solve this??

How can I solve this class=

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hasanahmad368
hasanahmad368 hasanahmad368
  • 03-01-2017
20.  tringle: a+b+c
5x+17+15
5x+32
45-32=5x
13=5x
13÷5=x
2.6 = x
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