Question

Determinati pe x din
5x-2/2x+3=8/7
raspunsul final este 2 dar vreau rezolvarea

Answer 1

[tex]\frac{5x-2}{2x+3}=\frac{8}{7}\\ 7\cdot(5x-2)=8\cdot(2x+3)\\ 35x-14=16x+24\\ 19x=38\Rightarrow x=2[/tex]

Answer 2

5x-2/2x+3=8/7
(5x-2)*7=(2x+3)*8
5x*7-2*7=2x*8+3*8
35x-14=16x+24
35x-16x=24+14
19x=38
x=38:19
x=2