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10(8x + 2y) + y - 3(y - 5x)

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\begin{gathered} 10(8x+2y)+y-3(y-5x) \\ =80x+20y+y-3y+15x \\ =80x+18y+15x \\ =80x+15x+18y \\ =95x+18y \end{gathered}

User Drunkenfist
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