If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
n/7 = 1.2 // - 1.2
n/7-1.2 = 0
1/7*n-1.2 = 0 // + 1.2
1/7*n = 1.2 // : 1/7
n = 1.2/1/7
n = 8.40000017
n = 8.40000017
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