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0 = (-5/3)*x-9 // - (-5/3)*x-9
0-((-5/3)*x)+9 = 0
(5/3)*x+0+9 = 0
5/3*x+9 = 0 // - 9
5/3*x = -9 // : 5/3
x = -9/5/3
x = -27/5
x = -27/5
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