If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x/25 = 0.89 // - 0.89
x/25-0.89 = 0
1/25*x-0.89 = 0 // + 0.89
1/25*x = 0.89 // : 1/25
x = 0.89/1/25
x = 22.25
x = 22.25
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