Предмет: Математика, автор: utkina08

Решите уравнение
А)5х-9=2,3х+1
Б)7,3х-1/3=-1,2+3
В)6(х-3)+2(х+2=1

Ответы

Автор ответа: alekseykomin

8

А)5x-2.3x=1+9
2.7x=10
x=3.7
B)6(3-x)+2(x+2)=1
18-6x+2x+4=1
-6x+2x=1-18-4
-4x=-21
x=5.25

utkina08: ☼☼♣☼☼♣♣♣55555+5♣5♣♣♣1111☻2☻☻☻☻

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