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(15/8)*(x+32)-21/2+6/8 = 0
15/8*(x+32)-21/2+3/4 = 0
(15/8*2*4*(x+32))/(2*4)+(-21*4)/(2*4)+(2*3)/(2*4) = 0
15/8*2*4*(x+32)-21*4+2*3 = 0
15*x+6+396 = 0
15*x+402 = 0
(15*x+402)/(2*4) = 0
(15*x+402)/(2*4) = 0 // * 2*4
15*x+402 = 0
15*x+402 = 0 // - 402
15*x = -402 // : 15
x = -402/15
x = -134/5
x = -134/5
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