x=1/4
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4x-8-2 can be more easily written as 4x-10. The solution to this equation would be 5/2
In the context of concentration, "4X" typically means that a solution is four times more concentrated than a standard or reference solution. This implies that if the standard solution has a certain concentration, the 4X solution has four times that concentration. For example, if the standard concentration is 1 M, then a 4X solution would have a concentration of 4 M.
All we have to do is subtract the coefficients of the x terms. The solution is -4x.
4x+9=25 4x=16 x=4
x>5