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x-((1/2)*x)-(7/2) = 22 // - 22
x-((1/2)*x)-(7/2)-22 = 0
x+(-1/2)*x-7/2-22 = 0
1/2*x-51/2 = 0 // + 51/2
1/2*x = 51/2 // : 1/2
x = 51/2/1/2
x = 51
x = 51
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