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(1/7)*x+5*x-(4/9) = 296/63 // - 296/63
(1/7)*x+5*x-(4/9)-(296/63) = 0
(1/7)*x+5*x-4/9-296/63 = 0
36/7*x-36/7 = 0 // + 36/7
36/7*x = 36/7 // : 36/7
x = 36/7/36/7
x = 1
x = 1
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