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01/27/2024 · Elementary School

(i) 7. Решите уравнение: \( \begin{array}{ll}\text { a) } 104+x=300 ; & \text { в) } 847+x=980 \\ \text { б) } x-600=288 ; & \text { г) } 700-x=576\end{array} \)

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Решим каждое из уравнений по порядку. a) \( 104 + x = 300 \) Чтобы найти \( x \), вычтем 104 из обеих сторон уравнения: \[ x = 300 - 104 = 196 \] b) \( x - 600 = 288 \) Чтобы найти \( x \), прибавим 600 к обеим сторонам уравнения: \[ x = 288 + 600 = 888 \] в) \( 847 + x = 980 \) Чтобы найти \( x \), вычтем 847 из обеих сторон уравнения: \[ x = 980 - 847 = 133 \] г) \( 700 - x = 576 \) Чтобы найти \( x \), вычтем 576 из 700 и поменяем знак: \[ x = 700 - 576 = 124 \] Итак, решения уравнений: a) \( x = 196 \) б) \( x = 888 \) в) \( x = 133 \) г) \( x = 124 \)

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a) \( x = 196 \) б) \( x = 888 \) в) \( x = 133 \) г) \( x = 124 \)
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