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Mathematics, 19.10.2019 23:10 sl1010

#42 3x+2[1-3(x+2)]=2
and
#45
3(r+1)-[2(3-2r)-3(3-r)]=2r+5-4
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#42 3x+2[1-3(x+2)]=2
and
#45
3(r+1)-[2(3-2r)-3(3-r)]=2r+5-4
heell...

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