Question

5x-2 supra 2x+3 = 8 supra 7 sa se determine x

Answer 1

5x-2=8
5x=8+2=10
x=10:5
x=2

2x+3=7
2x=7-3
2x=4
x=4:2
x=2

verificare
5x2-2/2x2+3=8/7

Answer 2

$\frac{5x-2}{2x+3}=\frac{8}{7}$
$7(5x-2)=8(2x+3)$
$35x-14=16x+24$
$35x-14x=24+14$
$19x=38$
$x=38:19$
$\boxed{x=2}$