Question

Saben cuanto sale este ejercicio
7(x-3)=9(x+1)-38

Answer 1

Resolvemos.

$7(x-3)=9(x+1)-38$

$7x-21 = 9x + 9 - 38$

$7x - 21 = 9x -29$

$-21+29 = 9x - 7x$

$8 = 2x$

$\boxed{x=4}$