-1.4+v/2=-7.8 - solution

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Solution for -1.4+v/2=-7.8 equation:

v in (-oo:+oo)

v/2-1.4 = -7.8 // + 7.8

v/2-1.4+7.8 = 0

1/2*v+6.4 = 0 // - 6.4

1/2*v = -6.4 // : 1/2

v = -6.4/1/2

v = -12.8

v = -12.8

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