pick out the solution from the values given in the  bracket next to each equation. show that the other values do not satisfy the equation.
1)n+12=20[12,8,29,0,]

2)p-5=5[0,10,5,-5]

3)r-4=0[4,-4,8,0]

4)x+4=2[-2,0,2,4]

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