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найди при каком значении переменной выражения -70x-1x и 139x+70 равны

 Jan 29, 2023
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find at what value of the variable x the expressions -70x-1x and 139x+70 are equal

 

Equate the 2 expressions:

 

- 70x - 1x = 139x + 70

 - 71x =139x + 70

- 71x - 139x = 70

- 210x = 70

x = 70 / - 210

x = - 1 / 3 

 Jan 29, 2023

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