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