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x=-14
b) 5y=13 |:5
y= 13/5
y=2 i 3/5
c) -3\4z=3\4 | *4/3
-z=1 |:(-1)
z=-1
d) -1\6u=1\3 |*6
-u=2 |:(-1)
u=-2
e)y*12=-60 |:12
y=-5
f) -2w=-1\2 |:(-2)
w= 1/4
g) 5a=0 |:5
a=0
h) -7b=7\8 |:(-7)
b=- 1/8
i) 22(-c)=-66
-22c=-66 |:(-22)
c= 3
x=-14
b) 5y=13 | :5
y= 13/5 = 2 ⅗
c) -3\4z=3\4 | *(-4)
3z=-3| :3
z=-1
d) -1\6u=1\3 | *(-6)
u= -2
e)y*12=-60
12y=60 | :12
y=5
f) -2w=-1\2 | *(-2)
4w=1 | :4
w= ¼
g) 5a=0 | ;5
a=0
h) -7b=7\8 | :(-7)
b= -1/8
i) 22(-c)=-66
-22c=-66 | :(-22)
c=3
x=-2*7/1
x=-14
b)5y=13 /:5
y=13/5
y=2,3/5
c) -3/4z=3/4 /:(-3/4)
z=3/4*(-4/3)
z=-1
d)-1,6u=1/3 /:(-1,6)
u=1/3:(-16/10)
u=1/3*(-10/16)
u=-10/48=-5/24
f)-2w=1/2 :(-2)
w=1/2*(-2/1)
w=-1
g)5a=0
a=0
h)-7b=7/8 /:(-7)
b=7/8*(-1/7)
b=-1/8
i)22*(-c)=-66
-22c=-66 /:(-22)
c=3