Question

alguem me ajuda,ta dificil a situacao kk​

Answer 1

$\frac{10}{15} = \frac{3x + 1}{5x - 2 }$

10.(5x-2) = 15.(3x+1)

50x-20 = 45x+15

50x-45x = 15 +20

5x = 35

x= $\frac{35}{5}$

x=7