Răspuns :
[tex] \frac{x + 2}{4} = \frac{x + 3}{5} [/tex]
[tex]5(x + 2) = 4(x + 3)[/tex]
[tex]5x + 10 = 4x + 12[/tex]
[tex]5x - 4x = 12 - 10[/tex]
[tex]x = 2[/tex]
[tex]5(x + 2) = 4(x + 3)[/tex]
[tex]5x + 10 = 4x + 12[/tex]
[tex]5x - 4x = 12 - 10[/tex]
[tex]x = 2[/tex]
(x+2)/4=(x+3)/5 amplificam pe prima fractie cu 5 si pe a doua cu 4
5x+10=4x+12
5x-4x= 12-10
x= 2
5x+10=4x+12
5x-4x= 12-10
x= 2