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(3/4)*(8*x-3)+7*x = -3/4 // + -3/4
(3/4)*(8*x-3)+7*x-(-3/4) = 0
(3/4)*(8*x-3)+7*x+3/4 = 0
3/4*(8*x-3)+7*x+3/4 = 0
(3/4*4*(8*x-3))/4+(4*7*x)/4+3/4 = 0
3/4*4*(8*x-3)+4*7*x+3 = 0
52*x-9+3 = 0
52*x-6 = 0
(52*x-6)/4 = 0
(52*x-6)/4 = 0 // * 4
52*x-6 = 0
52*x-6 = 0 // + 6
52*x = 6 // : 52
x = 6/52
x = 3/26
x = 3/26
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