a) 5x+(2x-7)-9x-(-3x+8)+20-8x=
b)-5x+(-2y+4x)-(7x-8y)-x+(2-6y)=
c)4c-(3c+2)-10c=
d)9y-(8-3y)+16=
e)-(-5c-8)+6-9c-c=
f) 7x-8-5(5x+6)=
g)5x-(2-4x)+8x-7=
PROSZĘ dam naj ;D
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siema ;d
a) 5x+(2x-7)-9x-(-3x+8)+20-8x=5x+2x-7-9x+3x-8+20-8x=-7x+5
b)-5x+(-2y+4x)-(7x-8y)-x+(2-6y)=-5x-2y+4x-7x+8y-x+2-6y=-9x+2
c)4c-(3c+2)-10c=4c-3c-2-10c=-9c-2
d)9y-(8-3y)+16=9y-8+3y+16=12y+8
e)-(-5c-8)+6-9c-c= 5c+8+6-9c-c=-5c+14
f)7x-8-5(5x+6)=7x-8-25x-30=-18x-38
g)5x-(2-4x)+8x-7=5x-2+4x+8x-7=17x-9
mam nadzieję, że jest ok;d pzd;))
a) 5x+(2x-7)-9x-(-3x+8)+20-8x=5x+2x-7-9x+3x-8+20-8x=-7x+5
b)-5x+(-2y+4x)-(7x-8y)-x+(2-6y)=-5x-2y+4x-7x+8y-x+2-6y=-9x+2
c)4c-(3c+2)-10c=4c-3c-2-10c=-9c-2
d)9y-(8-3y)+16=9y-8+3y+16=12y+8
e)-(-5c-8)+6-9c-c=5c+8+6-10c=-5c+14
f) 7x-8-5(5x+6)=7x-8-25x-30=-18x-38
g)5x-(2-4x)+8x-7=5x-2+4x+8x-7=17x-9