If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
u/4 = 9.5 // - 9.5
u/4-9.5 = 0
1/4*u-9.5 = 0 // + 9.5
1/4*u = 9.5 // : 1/4
u = 9.5/1/4
u = 38
u = 38
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