ПОМОГИТЕ СРОЧНО SOS!!!!!!!! ОЧЕНЬ НАДО!!!!!!!!!!!!!!!!!!!!! Решите уравнения: 1) -5n-16=3n 2) 25=5y-5 3) 25-9y=5y+11 4) 63-8n=n 5) 28-9m= - 8-10m. Created by irafat. matematika-ru

ПОМОГИТЕ СРОЧНО SOS!!!!!!!! ОЧЕНЬ НАДО!!!!!!!!!!!!!!!!!!!!! Решите уравнения: 1)...

Воздухчистый 1) -5n-16=3n
-5n-3n=16
-8n=16
n=-2
2) 25=5y-5
-5y=-5-25
-5y=-30
y=6
3) 25-9y=5y+11
-9y-5y=11-25
-14y=-14
y=1

4) 63-8n=n
-8n-n=-63
-9n=-63
n=7
5) 28-9m= - 8-10m
-9m+10m=-8-28
m=-36

228NePodKogoNeKocim 1.-5n-16=3x 25-9y=5y+11
-5n-3n=16 -9y-5y=-25+11
-8n=16 -14y=-14
n=-2 y= 1
2 .25=5y-5 63-8n=n
-5y=-5-25 -8n-N=-63
-5y=-30 -9N=-63
y=6 n=7
28-9m=-8-10m
-9m+10n=-8-28
n=-36

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