Answer:
Assuming the 19 stood for an exponent, q = 1.098...
Explanation:
Plugging in in the graphical calculator, we can see that the solution is approximately q=1.098. There are no ways of solving this equation algebraically.
q = 15
19 = q + 4
Subtract 4 from each side
19-4 = q + 4-4
15 = q
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in the graphical calculator, we can see that the solution is approximately q=1.098. There are no ways of solving this equation algebraically.