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(2/3)*(4*x-5)-(3*(x+7)) = 0
(2/3)*(4*x-5)-3*(x+7) = 0
2/3*(4*x-5)-3*(x+7) = 0
2/3*(4*x-5)-3*(x+7) = 0
-1/3*x-73/3 = 0
-1/3*x-73/3 = 0
-1/3*x-73/3 = 0 // + 73/3
-1/3*x = 73/3 // : -1/3
x = 73/3/(-1/3)
x = -73
x = -73
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