petrievegas petrievegas
  • 06-09-2017
  • Mathematics
contestada

3x + 7y = 21 solve for y

Respuesta :

xQuanyi
xQuanyi xQuanyi
  • 06-09-2017
• Move x to the other side

7y=21-3x

• Divide by 7

y = (21-3x)/7


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