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(2*x)/7-(x/3)+2+2 = 26/21 // - 26/21
(2*x)/7-(x/3)-(26/21)+2+2 = 0
(2*x)/7-(x/3)-26/21+2+2 = 0
58/21-1/21*x = 0 // - 58/21
-1/21*x = -58/21 // : -1/21
x = -58/21/(-1/21)
x = 58
x = 58
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