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x in (-oo:+oo)
32 = (-8/7)*x // - (-8/7)*x
32-((-8/7)*x) = 0
(8/7)*x+32 = 0
8/7*x+32 = 0 // - 32
8/7*x = -32 // : 8/7
x = -32/8/7
x = -28
x = -28
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