find the flowing by column method: 5x-6y +3z, x+23y+z, 5y +56,
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5x-6y+3z
x+23y+z
+56
_____________
- - -
4x-29y+2z+56
x+23y+z
+56
_____________
- - -
4x-29y+2z+56
jatinkumarsharma:
your answer is wrong
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