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x=1,6
b)6 1/8y=1 |:6 1/8
y=8/49
c) -2,2+x=6,1 |+2,2
x=8,3
d) -1/3y=10 |:1/3
-y=30 |*-1
y=-30
e) 8a+4=36 |-4
8a=32 |:8
a=4
f) 8/9k+1/3=3 |-1/3
8/9k=2 2/3 |:8/9
k=3
g) 6b-3=-9 |+3
6b=-6 |:6
b=-1