ashantipena200 ashantipena200
  • 02-02-2018
  • Mathematics
contestada

x+2y=200
x=y+50
find the substitution

Respuesta :

meredith48034
meredith48034 meredith48034
  • 02-02-2018
y + 50 + 2y = 200

3y + 50 = 200

3y = 150

y =50

x = 50 + 50

100 = 50 + 50

100 = 100
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