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7*(x/5-(3*x^2))-444/5 = 3*(x/5-(7*x^2)) // - 3*(x/5-(7*x^2))
7*(x/5-(3*x^2))-(3*(x/5-(7*x^2)))-444/5 = 0
7*(x/5-3*x^2)-3*(x/5-7*x^2)-444/5 = 0
7*(1/5*x-3*x^2)-3*(1/5*x-7*x^2)-444/5 = 0
(5*7*(1/5*x-3*x^2))/5+(-3*5*(1/5*x-7*x^2))/5-444/5 = 0
5*7*(1/5*x-3*x^2)-3*5*(1/5*x-7*x^2)-444 = 0
4*x-444 = 0
(4*x-444)/5 = 0
(4*x-444)/5 = 0 // * 5
4*x-444 = 0
4*x-444 = 0 // + 444
4*x = 444 // : 4
x = 444/4
x = 111
x = 111
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