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7-((2*x)/4) = (3*(x+5))/9 // - (3*(x+5))/9
7-((3*(x+5))/9)-((2*x)/4) = 0
(-1/3)*(x+5)+(-1/2)*x+7 = 0
7-1/3*(x+5)-x/2 = 0
(-1/3*2*(x+5))/2-x/2+(2*7)/2 = 0
2*7-1/3*2*(x+5)-x = 0
14-5/3*x-10/3 = 0
32/3-5/3*x = 0
(32/3-5/3*x)/2 = 0
(32/3-5/3*x)/2 = 0 // * 2
32/3-5/3*x = 0
32/3-5/3*x = 0 // - 32/3
-5/3*x = -32/3 // : -5/3
x = -32/3/(-5/3)
x = 32/5
x = 32/5
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