Respuesta:
7
Explicación paso a paso:
10x - 5 - 2x = 9 + 5x + 7
10x - 2x - 5 = 5x + 9 + 7
8x - 5 = 5x + 16
8x - 5x = 16 + 5
3x = 21
x = 21 / 3
x = 7
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Respuesta:
7
Explicación paso a paso:
10x - 5 - 2x = 9 + 5x + 7
10x - 2x - 5 = 5x + 9 + 7
8x - 5 = 5x + 16
8x - 5x = 16 + 5
3x = 21
x = 21 / 3
x = 7