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x in (-oo:+oo)
(-3/4)*((8/5)*x-(7/9)) = 17/69 // - 17/69
(-3/4)*((8/5)*x-(7/9))-(17/69) = 0
(-3/4)*((8/5)*x-7/9)-17/69 = 0
-3/4*(8/5*x-7/9)-17/69 = 0
(-3/4*69*(8/5*x-7/9))/69-17/69 = 0
-3/4*69*(8/5*x-7/9)-17 = 0
93/4-414/5*x = 0
(93/4-414/5*x)/69 = 0
(93/4-414/5*x)/69 = 0 // * 69
93/4-414/5*x = 0
93/4-414/5*x = 0 // - 93/4
-414/5*x = -93/4 // : -414/5
x = -93/4/(-414/5)
x = 155/552
x = 155/552
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