doprować do najprostrzej postaci
-5(2x+2y-6z) -(x-7y-3z)
2(a-3b)-3(a-b)-5(4a+3b)
-3(2x-3y)+5(x+2y)-2(3y-x)
5(b-2a)+3(a-3b)-4(2a-4b)
-7(2a+3b)-9(a-2b)-3(3a+4b)
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-10x-2y+30z-x+7y+3z=-11x+33z+5y
2a-6b-3a+3b-20a-15b=-21a-18b
-5(2x+2y-6z)-(x-7y-3z) = -10x -10y+30z-x+7y+3z= -11x -3y +33z
2(a-3b)-3(a-b)-5(4a+3b) = 2a-6b-3a+3b-20a-15b = -21a-18b
-3(2x-3y)+5(x+2y)-2(3y-x)= 6x-9y+5x+10y-6y+2x = 13 x -5y
5(b-2a)+3(a-3b)-4(2a-4b)= 5b-10a+3a-9b-8a+16b = 12b -15a
-7(2a+3b)-9(a-2b)-3(3a+4b) = -14a-21b-9a+18b-9a-12b= -32a -15b