To determine if the given value x=9 is a solution, substitute 9 into the equation 2x-3=15:
2(9) - 3 = 15
18 - 3 = 15
15 = 15
Since the equation is true when x=9, we can conclude that x=9 is a solution to the equation.
determine if the given value is a solution.
2x-3=15;x=9
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