a) -6x+2y+7+4x-5y-3 Dla x= -5 , Y=1 b) 2x-6y-4y+8-5x+y-11 dla x=-1 Y=9
a)-6x+2y+7+4x-5y-3= dla x=-5 y=1
=-6*(-5)+2*1+7+4*(-5)-5*1-3=
=30+2+7-20-5-3=11
b)2x-6y-4y+8-5x+y-11= dla x=-1 y=9
=2*(-1)-6*9-4*9+8-5*(-1)+9-11=
=-2-54-36+8+5+9-11=-81
-6x+2y+7+4x-5y-3= -2x-3y+4= -2*[-5]-3*1+4=10-3+4=112x-6y-4y+8-5x+y-11= -3x-9y-3= -3*[-1]-9*9-3=3-81-3= -81
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a)-6x+2y+7+4x-5y-3= dla x=-5 y=1
=-6*(-5)+2*1+7+4*(-5)-5*1-3=
=30+2+7-20-5-3=11
b)2x-6y-4y+8-5x+y-11= dla x=-1 y=9
=2*(-1)-6*9-4*9+8-5*(-1)+9-11=
=-2-54-36+8+5+9-11=-81
-6x+2y+7+4x-5y-3= -2x-3y+4= -2*[-5]-3*1+4=10-3+4=11
2x-6y-4y+8-5x+y-11= -3x-9y-3= -3*[-1]-9*9-3=3-81-3= -81