👤

CUM SE FACE EX. : X+1 SUPRA 5 = X+4 SUPRA 8 .

Răspuns :

(x+1)×8=5×(x+4)
8x+8=5x+20
8x-5x=20-8
3x=12
x=12:3
x=4
sper ca te-am ajutat
[tex] \frac{x+1}{5} = \frac{x+4}{8} \ \textless \ =\ \textgreater \ 5(x+4)=8(x+1) ; 5x+20=8x+8 [/tex]
5x-8x=8-20
-3x=-12
x=4