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Solve::naqs: <<1>> is not a quantified system of equations and inequalities 

Solve[ C2 == 00 && C1 == 0 && 
  0 == -7293.097904399998` + 6.6` C1 + C2 + 21.779999999999998` M1 + 
    47.916` R10  &&  
  0 == -116689.56647039996` + 13.2` C1 + C2 + 87.11999999999999` M1 + 
    383.328` R10 + 47.916` R11  &&  
  0 == -590740.9302563999` + 19.8` C1 + C2 + 196.02` M1 + 
    1293.732` R10 - 47.916000000000025` R11 + 
    47.916000000000025` R12  &&  
  0 == -1.8670330635263994`*^6 + 26.4` C1 + C2 + 
    348.47999999999996` M1 + 3066.624` R10 + 
    1293.7319999999995` R11 + 383.328` R12 + 
    47.915999999999954` R13  &&  
  0 == -4.55818619025`*^6 + 33 C1 + C2 + 544.5 M1 + 5989.5 R10 + 
    3066.624` R11 + 1293.732` R12 + 383.328` R13 + 
    47.916000000000025` R15  &&  
  0 == -9.451854884102399`*^6 + 39.6` C1 + C2 + 784.08` M1 + 
    10349.856` R10 + 5989.5` R11 + 3066.6240000000007` R12 + 
    1293.732` R13 + 383.3280000000002` R15 + 
    47.916000000000025` R17  &&  
  0 == -1.75107280684644`*^7 + 46.2` C1 + C2 + 1067.22` M1 + 
    16435.188000000002` R10 + 10349.856` R11 + 5989.5` R12 + 
    3066.6240000000007` R13 + 1293.7320000000009` R15 + 
    383.3280000000002` R17 + 47.916000000000025` R18  &&  
  0 == -2.987252901642239`*^7 + 52.8` C1 + C2 + 
    1393.9199999999998` M1 + 24532.992` R10 + 
    16435.187999999995` R11 + 10349.855999999996` R12 + 5989.5` R13 + 
    3066.624` R15 + 1293.7319999999995` R17 + 
    383.32799999999963` R18 + 47.91599999999987` R19  &&  
  0 == -4.7946755305453904`*^7 + 59.43` C1 + C2 + 1765.96245` M1 + 
    1765.96245` M2 + 34983.7161345` R10 + 24574.8333645` R11 + 
    16467.225394500005` R12 + 10373.396224499997` R13 + 
    6005.8498545` R15 + 3077.0902845` R17 + 1299.6215144999996` R18 + 
    385.9475444999997` R19  &&  
  0 == -5717.0124` + R10 + R11 + R12 + R13 + R15 + R17 + R18 + R19 + 
    R20 + R21   &&  
  0 == -3.227107878543087`*^6 + 59.43` C1 + C2 + 59.43` M1 + 
    1765.96245` R10 + 1395.50445` R11 + 1068.6064500000002` R12 + 
    785.2684499999998` R13 + 545.49045` R15 + 349.27245` R17 + 
    196.61444999999998` R18 + 
    87.51644999999996` R19 && 


 **-169795.26828` - M2 + 6.6` R11 + 
   13.2` R12 + 19.8` R13 + 26.4` R15 + 33 R17 + 39.6` R18 + 
   46.2` R19 + 52.8` R20 + 59.4` R21**


]
POSTED BY: Carlos Vega
3 Replies
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Like the message states, they are not all equations (the final one has head Plus). This is the sort of thing that should be checked before posting to an open forum.
POSTED BY: Daniel Lichtblau
Rohit Namjoshi
Rohit Namjoshi
Posted 3 years ago

A comma is missing

Solve[{0 == x + 2 y + 2 z + t, 0 == 2 x + y + 2 t, 0 == 2*x + y - t, 0 == x + y - t}, {x, y, z, t}]
(* {{x -> 0, y -> 0, z -> 0, t -> 0}} *)
POSTED BY: Rohit Namjoshi

Solve[{0 == x + 2y + 2z + t, 0 == 2x + y + 2t, 0 == 2*x + y - t, 0 == x + y - t} {x, y, z, t}] Why it does not work?
POSTED BY: Ignacio Rodríguez Via-Dufresne
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