oblicz wartosci wyrazen algebraicznych
2x-5 dla x=-3
-6-2y dla y=-2
2x+3y-5 dla x=3 i y=-4
2x-5=2*(-3) - 5=-6-5=-11
-6-2y=-6-6*(-2)=-6+12=6
2x+3y-5=2*3+3*(-4)-5=6-12-5=-6-5=-11
prosze o naj
2*(-3)-5= -6-5= -11
-6-2*(-2)=-6+4= -2
2*3+3*(-4)-5=6-12-5= -11
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2x-5=2*(-3) - 5=-6-5=-11
-6-2y=-6-6*(-2)=-6+12=6
2x+3y-5=2*3+3*(-4)-5=6-12-5=-6-5=-11
prosze o naj
2*(-3)-5= -6-5= -11
-6-2*(-2)=-6+4= -2
2*3+3*(-4)-5=6-12-5= -11