(3-(2-7(x+1)):4) +3 =1, x=?

Răspunsul a fost dat de: USER2484
26 Agustus 2025 matematica 5 minute
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(3-(2-7(x+1)):4) +3 =1, x=?
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(3-(2-7(x+1)):4) +3 =1
3-(2-7(x+1)):4  =1-3
-(2-7(x+1)):4  =-2-3
(2-7(x+1)):4  =5
2-7(x+1)  =20
-7(x+1)  =20-2
-7(x+1)  =18
x+1=-18/7
x=-18/7-1
x=(-18-7)/7
x=-25/7

Răspunsul a fost dat în data 26 Agustus 2025

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