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2/5-(4*x)-x = -48/5 // + -48/5
2/5-(4*x)-x-(-48/5) = 0
2/5-4*x-x+48/5 = 0
10-5*x = 0 // - 10
-5*x = -10 // : -5
x = -10/(-5)
x = 2
x = 2
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