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M in (-oo:+oo)
M/16 = -2.6 // + 2.6
M/16+2.6 = 0
1/16*M+2.6 = 0 // - 2.6
1/16*M = -2.6 // : 1/16
M = -2.6/1/16
M = -41.6
M = -41.6
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