If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
y = 6.25/4+5 // - 6.25/4+5
y-(6.25/4)-5 = 0
y-5-1.5625 = 0
y-6.5625 = 0 // + 6.5625
y = 6.5625
y = 6.5625
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