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 2 years ago
Need help on solving three system of equations using substitution?
xyz=9
5x+5y+6z=8
3x+3z=5
I really need help...
 2 years ago
Need help on solving three system of equations using substitution? xyz=9 5x+5y+6z=8 3x+3z=5 I really need help...

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blast234
 2 years ago
Best ResponseYou've already chosen the best response.0Somebody please help me...

liza2
 2 years ago
Best ResponseYou've already chosen the best response.0xyz=9 z = 9 x + y Using this: 3x+3z=5 3x + 3(9 x +y) = 5 3x 27 3x +3y = 5 3y  27 = 5 3y = 32 y = 32/3 x  32/3  (9  x + 32/3) = 9 x  32/3 + 9 + x  32/3 = 9 2x  12.3 = 9 2x = 3.3 x = 1 2/3 z = 9  1 2/3 + 32/3 z = 0 1 2/3  32/3  0 = 9

blast234
 2 years ago
Best ResponseYou've already chosen the best response.0R u sure these how you do them

chance327
 2 years ago
Best ResponseYou've already chosen the best response.0Best Response 0 xyz=9 z = 9 x + y Using this: 3x+3z=5 3x + 3(9 x +y) = 5 3x 27 3x +3y = 5 3y  27 = 5 3y = 32 y = 32/3 x  32/3  (9  x + 32/3) = 9 x  32/3 + 9 + x  32/3 = 9 2x  12.3 = 9 2x = 3.3 x = 1 2/3 z = 9  1 2/3 + 32/3 z = 0 1 2/3  32/3  0 = 9

blast234
 2 years ago
Best ResponseYou've already chosen the best response.0Can you add her people as friends

chance327
 2 years ago
Best ResponseYou've already chosen the best response.0who you talking about

blast234
 2 years ago
Best ResponseYou've already chosen the best response.0Oh nothing..never mind
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