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(1/2)*(5*x-6) = 8 // - 8
(1/2)*(5*x-6)-8 = 0
1/2*(5*x-6)-8 = 0
1/2*(5*x-6)-8 = 0
5/2*x-11 = 0
5/2*x-11 = 0
5/2*x-11 = 0 // + 11
5/2*x = 11 // : 5/2
x = 11/5/2
x = 22/5
x = 22/5
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