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(7/4)*x-2 = -5*x-1 // + -5*x-1
(7/4)*x-(-5*x)-2+1 = 0
(7/4)*x+5*x-2+1 = 0
27/4*x-1 = 0 // + 1
27/4*x = 1 // : 27/4
x = 1/27/4
x = 4/27
x = 4/27
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