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(1/6)*x-((1/5)*x)+2/3 = 29/45 // - 29/45
(1/6)*x-((1/5)*x)+2/3-(29/45) = 0
(-1/5)*x+(1/6)*x+2/3-29/45 = 0
1/45-1/30*x = 0 // - 1/45
-1/30*x = -1/45 // : -1/30
x = -1/45/(-1/30)
x = 2/3
x = 2/3
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