Rozwiąż równanie.
a) -2x +4 = 5x + 25
b) 7y - 8 = -y + 24
c) -8z + 5 = -z - 1
d) -2m + 7 = m - 6
e) 6 - 5x = 2x - 7
f) -5t + 1 = 8 - 6t
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a) -2x-5x=25-4
-7x=21/(-7)
x=-3
b)7y+y=24+8
8y=32/8
y=4
c)-8z+z=-1-5
-7z=-6/(-7)
z=6/7
d)-2m-m=-6-7
-3m=-13/(-3)
m=13/3=4 1/3
e)-5x-2x=-7-6
-7x=-13/(-7)
x=13/7=1 6/7
f)-5t+6t=8-1
t=7
a]-2x+4=5x+25
-2x-5x=25-4
-7x=21 /*-1
x= -3
b]7y-8=-y+24
7y+y=24+8
8y=32 /;8
y=4
c]-8z+5=-z-1
-8z+z=-1-5
-7z=-6 /;-7
z=6/7
d]-2m+7=m-6
-2m-m=-6-7
-3m=-13 /;-3
m=4i 1/3
e]6-5x=2x-7
-5x-2x=-7-6
-7x=-13 /;-7
x=1i6/7
f]-5t+1=8-6t
-5t+6t=8-1
t=7