Question

AYUDAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA DOY CORONITA

Answer 1

Explicación paso a paso:

m+3+5+m= 12

2m= 12-5-3

2m= 4

m= 4/2

m= 2

3+n+1+n= 15

2x= 15-4

2x= 11

x= 11/2

mn= 2×11/2

= 11