SuarezMelissa4 SuarezMelissa4
  • 22-09-2016
  • Mathematics
contestada

7x+2y=11
-2x+3y=29
How do you solve this problem?

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WaveyBunnie
WaveyBunnie WaveyBunnie
  • 22-09-2016
you subsitute 11-2y/7  when you do that you get -2 11-2y/7 +3y=29: y=9  isolate y   -2 11-2y/ +3y=29 y=9 
 x= 11-2 . 9/7 x= -1 
 Y=9 X=-1
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Carlos2323 Carlos2323
  • 22-09-2016
X=1 y=2 for the first one
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