Question

× + y =12 × - y=20 ayudeme​

Answer 1

$\bf \colorbox{black}{ \bf \textcolor{blue}{tema = }{ \bf \textcolor{orange}{matematicas = }{ \bf \textcolor{cyan}{respuesta = }}}}</p><p>$

________

×+y=12 (1)

×-y=20 (2)

_____

2×=32

×=32/2

×=16

________

×+y=12

(16)+y=12

y=12-16

Y=-4

________

Comprobación

________

×+y=12

(16)+(-4)=12

16-4=12

12=12

________

xLasersx✨