nicolebarger1 nicolebarger1
  • 20-03-2020
  • Mathematics
contestada

Solve the system. Tell how many solutions the system has.
-2x + 4y = 9
x-27 = -7

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j2kim2018p31zmv j2kim2018p31zmv
  • 20-03-2020
x-27=-7
x=20

-2x+4y=9
-2(20)+4y=9
-40+4y=9
4y=49
y=49/4
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