Question

find the value of x when 5 / 3 raise to power minus 4 x 5 / 3 raise to power minus 3 is equal to 5 / 3 raise to power 3 x​

Answer 1

Answer:

${( \frac{5}{3} )}^{ - 4} \times {( \frac{5}{3}) }^{ - 3} = ( { \frac{5}{3}) }^{3x} \\ \\ {( \frac{5}{3} )}^{ - 7} = {( \frac{5}{3} )}^{3x} \\ \\ let's \: \: compare \: \: = > \\ \\ 3x = - 7 \\ \\ x = - \frac{7}{3}$