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(2/7)*(x-4) = 2 // - 2
(2/7)*(x-4)-2 = 0
2/7*(x-4)-2 = 0
2/7*(x-4)-2 = 0
2/7*x-22/7 = 0
2/7*x-22/7 = 0
2/7*x-22/7 = 0 // + 22/7
2/7*x = 22/7 // : 2/7
x = 22/7/2/7
x = 11
x = 11
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