Question

10+14х=15-3х

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Answer 1

$14x + 3x = 15 - 10$

$17x = 5$

$x = \frac{5}{17}$

Answer 2

$10 + 14x = 15 - 3x \\ x = 0.29 \\ 14x + 3x = 15 - 10 \\ 17x = 5 \\ x = \frac{5}{17} = 0.29$