Given that x = 1 / 2 is the solution of the equation 2x-m / 4-1 / 2 = x-m / 3, find the value of 1 / 4 (- 4m & # 178; + 2m-8) - (1 / 2m-1)
2x-m/4-1/2=x-m/3
m/12=1/2-x
m=6-12x
Because x = 1 / 2
So m = 0
1/4(-4m²+2m-8)-(1/2m-1)=-m²+1/2m-2-1/2m+1=-1
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