-7.8=-1.4+u/4 - solution

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Solution for -7.8=-1.4+u/4 equation:

u in (-oo:+oo)

-7.8 = u/4-1.4 // - u/4-1.4

1.4-(u/4)-7.8 = 0

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

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

u = 6.4/(-1/4)

u = -25.6

u = -25.6

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