Question

Let us solve :

I.
${49}^{x} = {7}^{3}$
ii.
${2}^{x + 2} + {2}^{x - 1} = 9$
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Answer 1

Answer:

{(7)^2}^x = (7)^3

(7)^2x =(7)^3

2x=3

x=3/2