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обжopa
@обжopa
August 2022
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Какои ответ в 14
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Milena17
Verified answer
3·(0,2х-5)-4·(0,3х-5)=10+0,4х
0,6х-15-1,2х+20=10+0,4х
0,6х-1,2х-0,4х=10+15-20
-х=5
х=-5
Проверка:
3·(0,2·(-5)-5)-4·(0,3·(-5)-5)=10+0,4·(-5)
3·(-1-5)-4·(-1,5-5)=10-2
3·(-6)-4·(-6,5)=8
-18+26=8
8=8
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Answers & Comments
Verified answer
3·(0,2х-5)-4·(0,3х-5)=10+0,4х0,6х-15-1,2х+20=10+0,4х
0,6х-1,2х-0,4х=10+15-20
-х=5
х=-5
Проверка:
3·(0,2·(-5)-5)-4·(0,3·(-5)-5)=10+0,4·(-5)
3·(-1-5)-4·(-1,5-5)=10-2
3·(-6)-4·(-6,5)=8
-18+26=8
8=8