September 2018 2 23 Report

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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