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nastaroos
@nastaroos
August 2021
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RoyalSecret
1)2,5x+3(0,5x-1,8)=-3,8
2,5x+1,5x-5,4=-3,8
4x=1,6
x=0,4
2)7-2x=9x-8(x+1)
7-2x=9x-8x-8
-3x=-15
x=5
1 votes
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nastaroos
Большое спасибо)
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Answers & Comments
2,5x+1,5x-5,4=-3,8
4x=1,6
x=0,4
2)7-2x=9x-8(x+1)
7-2x=9x-8x-8
-3x=-15
x=5