Решите систему уравнений: 4(m+2)=1-5n; 3(n+2)=5-2m
4(m+2)=1-5n 3(n+2)=5-2m 4m+8=1-5n 3n+6=5-2m 4m+5n= -7 2m+3n= -1 (*-2) 4m+5n= -7 -4m-6n=2 -n= -5 2m+3n= -1 n=5 2m+3*5= -1 n=5 2m= -16 n=5 m= -8