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(-7/2)*x+3/2-2 = -6/8 // + -6/8
(-7/2)*x+3/2-(-6/8)-2 = 0
(-7/2)*x+3/2+3/4-2 = 0
1/4-7/2*x = 0 // - 1/4
-7/2*x = -1/4 // : -7/2
x = -1/4/(-7/2)
x = 1/14
x = 1/14
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