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5*x-(2/3) = -49/10 // + -49/10
5*x-(2/3)-(-49/10) = 0
5*x-2/3+49/10 = 0
5*x+127/30 = 0 // - 127/30
5*x = -127/30 // : 5
x = -127/30/5
x = -127/150
x = -127/150
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