Szczegółowe wyjaśnienie:
1) -(2x+3)-(4y-3)+x-1= -2x-3-4y+3+x-1= -x-4y-1
2) -(3x+2y-7)+5+y-(2y+2)=-3x-2y+7+5+y-2y-2=-3x-3y+10
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Szczegółowe wyjaśnienie:
1) -(2x+3)-(4y-3)+x-1= -2x-3-4y+3+x-1= -x-4y-1
2) -(3x+2y-7)+5+y-(2y+2)=-3x-2y+7+5+y-2y-2=-3x-3y+10