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b)2x-(x+4)=2x-x-4=x-4
c)7-(-x+6)=7+x-6=13+x
d)-(x+4)+(x-5)=-x-4+x-5=1
e)1-(t+p)-(t-2)=1-t-p-t+2=1-2-p
f)-(-y+2)+(-2y-4)=y-2-2y-4=-y-6
licze na maxa
pozdrawiam gorąco!
PS: licze ze pomogłam;)
b)x-4
c)7+x-6=1+x
d)-x-4+x-5=-9
e)1-t-p-t+2=3-2t-p
f)y-2-2y-4=y-6
b) = 2x - x + 4 = x-4
c) = 7+x -6 = 1+x
d) = -x - 4 + x - 5 = -9
e) = 1- t - p - t +2 = 3 - 2t - p
f) = y - 2 - 2y - 4 = -3y - 6