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(3/4)*(8*x-6)+4 = -4*x-12 // + -4*x-12
(3/4)*(8*x-6)-(-4*x)+4+12 = 0
(3/4)*(8*x-6)+4*x+4+12 = 0
3/4*(8*x-6)+4*x+4+12 = 0
3/4*(8*x-6)+4*x+4+12 = 0
10*x-9/2+4+12 = 0
10*x-1/2+12 = 0
10*x+23/2 = 0
10*x+23/2 = 0
10*x+23/2 = 0 // - 23/2
10*x = -23/2 // : 10
x = -23/2/10
x = -23/20
x = -23/20
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