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/2 = 2.71 // - 2.71
x/2-2.71 = 0
1/2*x-2.71 = 0 // + 2.71
1/2*x = 2.71 // : 1/2
x = 2.71/1/2
x = 5.42
x = 5.42
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