Question

Me ajudem.Por favor

Answer 1

x-y=25
2x+3y=-40

x=25+y

2(25+y)+3y=-40
50+5y=-40
5y=-90
y=-18
x=7

$\boxed{ \mathsf{x = 7}} \\ \boxed{ \mathsf{y = - 18}} \\ alternativa \: (d).$