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4*x-(7/5) = 6*x-(5/13) // - 6*x-(5/13)
4*x-(6*x)-(7/5)+5/13 = 0
4*x-6*x-7/5+5/13 = 0
-2*x-66/65 = 0 // + 66/65
-2*x = 66/65 // : -2
x = 66/65/(-2)
x = -33/65
x = -33/65
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