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kokoteeva
@kokoteeva
August 2022
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5х-19
_____= -6 решите пожалуйста, с проверкой
9
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Македонский
(5x-19)/9=-6
5x-19=-6*9
5x-19=-54
5x=-54+19
5x=-35
x=-35/5=-7
Проверка:
(5*(-7)-19)/9=-6
(-35-19)/9=-6
-54/9=-6
-54=-54 (равенство верное, значит x=-7)
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Answers & Comments
5x-19=-6*9
5x-19=-54
5x=-54+19
5x=-35
x=-35/5=-7
Проверка:
(5*(-7)-19)/9=-6
(-35-19)/9=-6
-54/9=-6
-54=-54 (равенство верное, значит x=-7)