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1/2-((1/2)*x)-(7*x) = -59/2 // + -59/2
1/2-((1/2)*x)-(7*x)-(-59/2) = 0
(-1/2)*x-7*x+1/2+59/2 = 0
30-15/2*x = 0 // - 30
-15/2*x = -30 // : -15/2
x = -30/(-15/2)
x = 4
x = 4
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