e2smorrelyail e2smorrelyail
  • 12-12-2016
  • Mathematics
contestada

How do I solve 3x-7y=63 and 4x+3y=-27by addition?

Respuesta :

howudoing
howudoing howudoing
  • 14-12-2016
multiply eqn 1 by 3 and eqn 2 by 7 then adding them will cancel Y. and X can be found.
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