2,4-0,5(x+1)=0,7x-1,7. Created by habibazizov03. matematika-ru

2,4-0,5(x+1)=0,7x-1,7...

lexusenok 2,4-0,5(х+1)=0,7х-1,7
2,4-0,5х-0,5=0,7х-1,7
1,9-0,5х=0,7х-1,7
-0,5x-0,7x=-1,7-1,9
-1,2x=-3,6
1,2x=3,6
x=3,6÷1,2
x=3
Проверка
2,4-0,5×(3+1)=0,7×3-1,7
2,4-0,5×4=2,1-1,7
2,4-2=0,4
0,4=0,4

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ПростоЛёка

Verified answer

24-5(х+1)=7х-17
24-5х-5=7х-17
12х=36
х=3
Ответ: 3

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