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(2/3)*(5-x) = 2 // - 2
(2/3)*(5-x)-2 = 0
2/3*(5-x)-2 = 0
2/3*(5-x)-2 = 0
4/3-2/3*x = 0
4/3-2/3*x = 0
4/3-2/3*x = 0 // - 4/3
-2/3*x = -4/3 // : -2/3
x = -4/3/(-2/3)
x = 2
x = 2
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