Question 464661
2x - 6 = 5x
==> -6 = 5x - 2x
==> -6 = 3x
==> x = -6/3 = -2
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3n = 18 - 6n
==> 3n + 6n = 18
==> 9n = 18
==> n = 2

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2a - 2 = 3a + 7
==> -a = 9
==> a = -9