9х – 6( х – 1 ) = 5( х + 2 )

Question

9х – 6( х – 1 ) = 5( х + 2 )

Answer 1

Вот так...................

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Answer 2

9x - 6x + 6 = 5x + 10
9x - 6x - 5x = 10 - 6
-2x = 4 /:  (-2)
x = -2