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

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blast234Best ResponseYou've already chosen the best response.0
This is confusing....
 one year ago

blast234Best ResponseYou've already chosen the best response.0
Somebody please help me...
 one year ago

liza2Best ResponseYou've already chosen the best 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
 one year ago

blast234Best ResponseYou've already chosen the best response.0
R u sure these how you do them
 one year ago

chance327Best ResponseYou've already chosen the best response.0
Best 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
 one year ago

blast234Best ResponseYou've already chosen the best response.0
Can you add her people as friends
 one year ago

chance327Best ResponseYou've already chosen the best response.0
who you talking about
 one year ago

blast234Best ResponseYou've already chosen the best response.0
Oh nothing..never mind
 one year ago
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