Answer:
5*x-9=2^x+23 i think....
Explanation:
Let the number be x
five times a number = 5x
Five times a number decreased by nine = 5x - 9
Twice the number increase by 23 = 2x + 23
5x - 9 = 2x + 23
5x - 2x = 23 + 9
3x = 32
x = 32/3
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