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)
(5/7)*y = 1.5 // - 1.5
(5/7)*y-1.5 = 0
5/7*y-1.5 = 0 // + 1.5
5/7*y = 1.5 // : 5/7
y = 1.5/5/7
y = 2.10000001
y = 2.10000001
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