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x in (-oo:+oo)
x/4 = -29.2 // + 29.2
x/4+29.2 = 0
1/4*x+29.2 = 0 // - 29.2
1/4*x = -29.2 // : 1/4
x = -29.2/1/4
x = -116.8
x = -116.8
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