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-4+2=x:3 /*3
-12+6=x /+12
6=x
f)⅖(3-x)=-2 /*5
2(15-5x)=-10
30-10x=-10 /-30
-10x=-40 /:(-10)
x=4
g)¾(2-3)=-6 /*4
3(8-12)=-24
24-36=-24 /+36
24=12
h)⅕(x-3)=9-x /*5
1(5x-15)=45-5x
5x-15=45-5x /+15
5x=45-5x /+5x
10x=45 /:10
x=4,5
i)0,6+x/2=x+1 /*2
1,2+x=2x+2 /-1,2
x=2x+0,8
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