Question

(x- y)- 2(x-y) si x=8y=-2​

Answer 1

{x-y} - {2(x-y)}

REEMPLAZAMOS

{8-(-2)} - {2(8-(-2))}

RESOLVEMOS

{8+2} - {2(8+2)}

{10} - {2(10)}

{10} - {20}

-10