Question

find x :



(4/5) ^3x+1 × (4/5) ^-15 = (4/5) ^x



please explain too.


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Answer 1

Answer:

hope it will help you dear

Answer 2

Answer:

${( \frac{4}{5}) }^{3x + 1} \times { (\frac{4}{5} )}^{ - 15} = {( \frac{4}{5} )}^{x} \\ {( \frac{4}{5}) }^{3x + 1 - 15} = {( \frac{4}{5} )}^{x} \\ \color{blue}{ \underline{on \: comparing} : } \\ 3x - 14 = x \\ 3x - x = 14 \\ 2x = 14 \\ \boxed{x = 7} \\ \\\red{\mathfrak{ \large{\underline{{Hope \: It \: Helps \: You}}}}} \\ \blue{\mathfrak{ \large{\underline{{Mark \: Me \: Brainliest}}}}}$