andersonamy27 andersonamy27
  • 29-01-2016
  • Mathematics
contestada

what is the answer to 12 + b = 42?

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navahugo
navahugo navahugo
  • 29-01-2016
Minus 12 and 42 and you will get 30
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julie33
julie33 julie33
  • 29-01-2016
b=30 because you have to do is subtract 42-12=30 and u subtract 12-12 but u know that is zoero so its b
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