Ответ:
[tex]2 \times (5x + 7) = 10x + 14 \\ 4(x + 6) = 4x + 24 \\ 3(x + 12) = 3x + 36 \\ 10x + 14 - (4x + 24) = 3x + 36 \\ 10x + 14 - 4x - 24 - 3x - 36 = 0 \\ 3x - 46 = 0 \\ 3x = 46 \\ x = \frac{46}{3} [/tex]
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Ответ:
[tex]2 \times (5x + 7) = 10x + 14 \\ 4(x + 6) = 4x + 24 \\ 3(x + 12) = 3x + 36 \\ 10x + 14 - (4x + 24) = 3x + 36 \\ 10x + 14 - 4x - 24 - 3x - 36 = 0 \\ 3x - 46 = 0 \\ 3x = 46 \\ x = \frac{46}{3} [/tex]