SOLUTION: Find the nonpermissible replacement for the variable in this expression.
5x
-----
6x+3
Algebra.Com
Question 806668: Find the nonpermissible replacement for the variable in this expression.
5x
-----
6x+3
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You CANNOT divide by zero. So 6x+3 cannot be zero. If it were, then...
6x+3 = 0
6x = -3
x = -3/6
x = -1/2
So if x = -1/2, then the denominator 6x+3 is 0. This is why x = -1/2 is the value that's not allowed (to avoid division by zero)
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