x = 20/7
x = 2 6/7
Hi there !
6x - 9 - 2(1 - x) = x + 9
6x - 9 - 2 + 2x = x + 9
6x + 2x - x = 9 + 9 + 2
8x - x = 20
7x = 20
Good luck !
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