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a fost răspuns

1743+5*x=2008. 23+3*x<30

Răspuns :

5*x=2008-1743 5*x=265 X=265÷5 X=53 3×<30-23 3x <7 X <7/3
[tex]a)1743+5*x=2008\\ 5*x=2008-1743\\ 5*x=265\\ x=265:5\\x=53\\ b) 23+3*x\ \textless \ 30\\ 3*x\ \textless \ 30-23\\ 3*x\ \textless \ 7\\x\ \textless \ \frac{7}{3}\\ [/tex]
x∈( - infinit; 7/3)

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