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(3*x)/5-x-1 = 2-((3/10)*(3*x-4)) // - 2-((3/10)*(3*x-4))
(3/10)*(3*x-4)+(3*x)/5-x-2-1 = 0
3/10*(3*x-4)+(3*x)/5-x-2-1 = 0
(3/10*5*(3*x-4))/5+(3*x)/5+(5*(-x))/5+(-2*5)/5+(-1*5)/5 = 0
3/10*5*(3*x-4)+3*x+5*(-x)-2*5-1*5 = 0
15/2*x-5*x-10-6-5 = 0
5/2*x-10-6-5 = 0
5/2*x-16-5 = 0
5/2*x-21 = 0
(5/2*x-21)/5 = 0
(5/2*x-21)/5 = 0 // * 5
5/2*x-21 = 0
5/2*x-21 = 0 // + 21
5/2*x = 21 // : 5/2
x = 21/5/2
x = 42/5
x = 42/5
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