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exercitiul T.1.1
rapid, va rog


Exercitiul T11 Rapid Va Rog class=

Răspuns :

[tex] \frac{x+2}{7.5} [/tex] = [tex] \frac{ \frac{6*3+1}{3} }{ \frac{1}{3} } [/tex]
[tex] \frac{x+2}{7.5} [/tex] = [tex] \frac{19}{3} [/tex] * 3
[tex] \frac{x+2}{7.5} [/tex] = 19
x+2=19 * 7.5
x+2=19* [tex] \frac{15}{2} [/tex]
x+2=142.5
x=140.5