Seudónimo Seudónimo
  • 02-12-2016
  • Mathematics
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what is the equation for z=a-b,for a please help

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apologiabiology
apologiabiology apologiabiology
  • 02-12-2016
add b to to both sides
z+b=a+b-b
z+b=a+0
a=z+b
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