September 2018 2 20 Report

1.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)=

2. Uprość wyrażenie.

a) 6(a+2b)-3(b+2c)=

b)4(b+3)+3(a-b)=

c)7(b+c)-3(b+2c)=

d)5(a+3)+2b-3(a+b)=

e)6(3+z)-4(2z+4)+2(8+z)=

f)-4(2x-7-3y)-12(-y-x)=


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