Matma pilne na dziś!! Usuń nawiasy i wykonaj redukcję wyrazów podobnych ! a)4c-(3c+2)-10c= b)7x-8-(5x+6)= c)9y+(8-3y)+16= d)5x-(2-4x)+8x-7= e)-(-5c-8)+6-9c-c= f)-4(3x-6)-3(2+7x)= g)5(3z-7)-9(-8z-6)= h)-3(5x-4)+8(-3x+2)= i)7x-3(5x+2)-6(7+2x)= j)

a)4c-(3c+2)-10c=4c-3c-2-10c=-9c-2 b)7x-8-(5x+6)=7x-8-5x-6=2x-14 c)9y+(8-3y)+16=9y+8-3y+16=6y+24 d)5x-(2-4x)+8x-7=5x-2+4x+8x-7=17x-9 e)-(-5c-8)+6-9c-c=5c+8+6-9c-c=-5c+14 f)-4(3x-6)-3(2+7x)=-12x+24-6-21x=-33x+18 g)5(3z-7)-9(-8z-6)=15z-35+72z+54=87z+19 h)-3(5x-4)+8(-3x+2)=-15x+12-24x+16=-39x+28 i)7x-3(5x+2)-6(7+2x)=7x-15x-6-42-12x=-20x-48 j)-5(3y-7)-2(6+4y)+3y=-15y+35-12-8y+3y=-20y+23

a)... =4c-3c-2-10c=-9c-2 b).....=7x-8-5x-6=2x-14 c)...=9y+8-3y+16=6y+24 d)...=5x-2+4x+8x-7=17x-9 e)...=5c+8+6-10c=-5c+14 f)...=-12x+24-6-21x=-33x+18 g)... =15z-35+72z+54=87z +19 h)...=-15x+12-24x+16=-39x+28 i)...=7x-15x-6-42-12x=-20x-48 j)...=-15y+35-12-8y+3y=-20y+23