Question

(DAU COROANA) Rezolvati in R ecuatiitle: ​

Answer 1

Răspuns:

a) 4x+23=27

4x=27-23

4x=4

x=4/4

x=1

b)x:$\sqrt{7}=2\sqrt{7}$

x*1$\sqrt{7}=2\sqrt{7}$

x=2$\sqrt{7} *\sqrt{7}$

x=2*7

x=14