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1.2*x-((0.16*x+1)/0.5) = 0.64 // - 0.64
1.2*x-((0.16*x+1)/0.5)-0.64 = 0
1.2*x-2*(0.16*x+1)-0.64 = 0
1.2*x-2*(0.16*x+1)-0.64 = 0
0.88*x-2-0.64 = 0
0.88*x-2.64 = 0
0.88*x-2.64 = 0
0.88*x-2.64 = 0 // + 2.64
0.88*x = 2.64 // : 0.88
x = 2.64/0.88
x = 3
x = 3
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