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(2/5)*x-4 = -34/9 // + -34/9
(2/5)*x-(-34/9)-4 = 0
(2/5)*x+34/9-4 = 0
2/5*x-2/9 = 0 // + 2/9
2/5*x = 2/9 // : 2/5
x = 2/9/2/5
x = 5/9
x = 5/9
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