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(DAU COROANA) Rezolvati in R ecuatiitle: ​

DAU COROANA Rezolvati In R Ecuatiitle class=

Răspuns :

Răspuns:

a) 4x+23=27

4x=27-23

4x=4

x=4/4

x=1

b)x:[tex]\sqrt{7}=2\sqrt{7}[/tex]

x*1[tex]\sqrt{7}=2\sqrt{7}[/tex]

x=2[tex]\sqrt{7} *\sqrt{7}[/tex]

x=2*7

x=14