Rozwiąż równania:
a) 1/7x= -2
b) 5y=13
c)-3/4z=3/4
d) -1/6u=1/3
e) y*12=-60
f)-2w=-1/2
g)5a=0
h) -7b=7/8
i) 22(-c)=-66
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a)1/7x=-2 / *7
x= -14
b)5y=13 / :5
y=2,6
c)-3/4z=3/4 / *4
-3z=3 / : (-3)
z=-1
d)-1/6u=1/3 /*6
-u =2 /: (-1)
u=-2
e)y*12=-60
12y=-60 / : 12
y=-5
f)-2w=-1/2 /*2
-4w=-1 / : (-4)
w=0,25
g)5a=0 / : 5
a=0
h)-7b=7/8 /*8
-56b=7 / : -56
b=-0,125
i)22(-c)=-66
-c=-66-22
-c=-88 / : (-1)
c=88