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(2/9)*(4*x+7)-((3/7)*(3*x+5)) = (1/3)*(2-x) // - (1/3)*(2-x)
(2/9)*(4*x+7)-((3/7)*(3*x+5))-((1/3)*(2-x)) = 0
(2/9)*(4*x+7)+(-3/7)*(3*x+5)+(-1/3)*(2-x) = 0
2/9*(4*x+7)-3/7*(3*x+5)-1/3*(2-x) = 0
2/9*(4*x+7)-3/7*(3*x+5)-1/3*(2-x) = 0
1/3*x-25/63*x-2/3-37/63 = 0
-4/63*x-79/63 = 0
-4/63*x-79/63 = 0
-4/63*x-79/63 = 0 // + 79/63
-4/63*x = 79/63 // : -4/63
x = 79/63/(-4/63)
x = -79/4
x = -79/4
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