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1/2x=4/: 1/2
x= 2
b) 1/3y=4 +2
1/3 y= 6/: 1/3
y= 18
c)-2k = 18 -6
-2k = 12 /: (-2)
k= -6
d)-5z= 22 +3
-5z= 25 /: (-5)
z = -5
e)9z - 5z = 8
4z = 8 /:4
z = 2
f) s + 3s = -4
4s= -4 /:4
s= -1
1/2x=4 |: 1/2
x=2
b)1/3y-2=4
1/3y=4+2
1/3y=6 |: 1/3
y=0,0(5)...
c)-2k=18-6
-2k=12 |:(-2)
k= -6
d)-5z=22+3
-5z=25 |: (-5)
z= -5
e) 9z-5z= 8
4z=8 |:4
z=2
f)s+3s= -4
4s= -4 |: 4
s= (-1)