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4*(2*x+3)-7 = (7/2)*x+14 // - (7/2)*x+14
4*(2*x+3)-((7/2)*x)-14-7 = 0
4*(2*x+3)+(-7/2)*x-14-7 = 0
4*(2*x+3)+(-7*x)/2-14-7 = 0
(2*4*(2*x+3))/2+(-7*x)/2+(-14*2)/2+(-7*2)/2 = 0
2*4*(2*x+3)-7*x-14*2-7*2 = 0
9*x-28-14+24 = 0
9*x-14-4 = 0
9*x-18 = 0
(9*x-18)/2 = 0
(9*x-18)/2 = 0 // * 2
9*x-18 = 0
9*x-18 = 0 // + 18
9*x = 18 // : 9
x = 18/9
x = 2
x = 2
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