RueGenius
RueGenius
06-05-2017
Mathematics
contestada
will give brainliest!
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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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