Question

alguem me ajuda a resolver essa conta pls:
5x + 2y = -7
2x + 3y = 1

Answer 1

$y = (- 7 - 5x ) \div 2$
$2x + 3( - 7 - 5x) = 1$
$2x - 21 - 15x = 1$
$2x - 15x = 1 - + 21$