RueGenius RueGenius
  • 06-05-2017
  • Mathematics
contestada

will give brainliest!

will give brainliest class=

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Аноним Аноним
  • 06-05-2017
Since we substitute everything that b is equal to into the first equation (which is what we do) we see that 3a+(a-15)=225.

:)
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Аноним Аноним
  • 06-05-2017
the bottom left is right hope this helps
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