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2*(4*x+1)+(8/3)*x+5 = 103 // - 103
2*(4*x+1)+(8/3)*x-103+5 = 0
2*(4*x+1)+(8*x)/3-103+5 = 0
(2*3*(4*x+1))/3+(8*x)/3+(-103*3)/3+(3*5)/3 = 0
2*3*(4*x+1)+8*x-103*3+3*5 = 0
32*x-309+6+15 = 0
32*x-303+15 = 0
32*x-288 = 0
(32*x-288)/3 = 0
(32*x-288)/3 = 0 // * 3
32*x-288 = 0
32*x-288 = 0 // + 288
32*x = 288 // : 32
x = 288/32
x = 9
x = 9
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