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7-((2/5)*x) = 41 // - 41
7-((2/5)*x)-41 = 0
(-2/5)*x-41+7 = 0
-2/5*x-34 = 0 // + 34
-2/5*x = 34 // : -2/5
x = 34/(-2/5)
x = -85
x = -85
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