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3*((2/3)*x-30)+5 = 0
3*(2/3*x-30)+5 = 0
3*(2/3*x-30)+5 = 0
2*x-85 = 0
2*x-85 = 0
2*x-85 = 0 // + 85
2*x = 85 // : 2
x = 85/2
x = 85/2
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