paddikakes55 paddikakes55
  • 04-06-2017
  • Mathematics
contestada

2x - 3y = -12
y = 9 - x
Solve by substitution

Respuesta :

azhangstuy
azhangstuy azhangstuy
  • 04-06-2017
2x - 3(9-x) = -12

2x-27+3x=-12

5x-27=-12

5x=15

x=3

y=9-x
y=9-3

y=6

x=3
y=6
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