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3*x+(2/5)*x+2 = -143/5 // + -143/5
3*x+(2/5)*x-(-143/5)+2 = 0
3*x+(2/5)*x+143/5+2 = 0
17/5*x+153/5 = 0 // - 153/5
17/5*x = -153/5 // : 17/5
x = -153/5/17/5
x = -9
x = -9
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