October 2018 1 15 Report

Oblicz:

a) 9(2y-5x)-3(x-1)-5(-x-y)=

b) 6y-2x-(3x-4)+19=

c) (-15y+9x-6):(-3)-4+2*(-x-7y)=

d) -3(-2x-3y-5)+2(x-y)+4*(-5-2x)=

e) -(7x-8-4)-(5y+6x*7)=

f) -2(x-4)+4(y+5)-3(-x-3y)=


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