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)
(2/3)*x = 0.9 // - 0.9
(2/3)*x-0.9 = 0
2/3*x-0.9 = 0 // + 0.9
2/3*x = 0.9 // : 2/3
x = 0.9/2/3
x = 1.34999999
x = 1.34999999
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