v/4-2.1=-8.5 - solution

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Solution for v/4-2.1=-8.5 equation:

v in (-oo:+oo)

v/4-2.1 = -8.5 // + 8.5

v/4-2.1+8.5 = 0

1/4*v+6.4 = 0 // - 6.4

1/4*v = -6.4 // : 1/4

v = -6.4/1/4

v = -25.6

v = -25.6

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