Mana
6 год назад
6m+3 = 9m-15
3n -(5n-5) = 35
ОТВЕТЫ
Эмилий
Jul 7, 2019
6m+3=9m-15
6m-9m=-15-3
-3m=-18
3m=18
m=18:3
m=6
3n -(5n-5)=35
3n-5n+5=35
-2n=35-5
-2n=30
2n=-30
n=-30:2
n=-15
6m-9m=-15-3
-3m=-18
3m=18
m=18:3
m=6
3n -(5n-5)=35
3n-5n+5=35
-2n=35-5
-2n=30
2n=-30
n=-30:2
n=-15
1) 6m+3=9m-15
6m-9m= -15-3
-3m= -18
3m=18
m=6
2) 3n -(5n-5)=35
3n-5n+5=35
-2n=30
n= -15
6m-9m= -15-3
-3m= -18
3m=18
m=6
2) 3n -(5n-5)=35
3n-5n+5=35
-2n=30
n= -15
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