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3x=9-6
x=1
b)5=3+7x
3+7x=5
7x=5-3
7x=2
x-2/7
F)3x +5=2x
3x-2x=-5
x=-5
g)x=-2x
x+2x=0
3x=0
x=0
h)4-x=1,3
-x=1,3-4
x=2,7
j)8,3-2x=0,5
-2x=0,5-8,3
-2x=-7,8
x3,9
k)1/2x=1/3x-1
3x-1=2x
3x-2x=1
x=1
l)1/2-x=-1/2x
-2x=-2+x
-2x-x=-2
-3x=-2
x=2/3
x=1
b)7x=2
x= 2/7
c)x=22
d)x=3/4
e)x=12
F)x=-5
g)???
h)2,7=x
i)x=0,5
j)3,9=x
k)x=-6
l)x=1
m)x=3 i2/6