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6x-12y-6x+4y= -8y
=3*(-2)+4= -6+4=-2
-8-2*3=-8-6=-14
2*4+3*(-3)-6=8-9-6=-7
3(2x-4y)-2(3x-2y)=6x-12y-6x+4y=-8y
3x+4=3x* (-2) + 4= -6+4 = 2
-8-2y= -8-6 = -14
2x+3y= 8 - 9-6 = -7
3x + 9y - 7x - 5y =-4x+4y
3(2x - 4y) - 2(3x-2y) =6x-12y-6x+4y=-8y
Oblicz wartość wyrażeń algebraicznych :
3x + 4=3*-2+4=-6+4=-2
-8 - 2y=-8-2*3=8-6=2
2x + 3y - 6 =2*4+3*-3-6=8-9-6=-7