Question

Please answer this question​

Answer 1

$( { \frac{5}{7} })^{2} \div { \frac{5}{7} }^{3x + 1} = ( { \frac{5}{7} )}^{4} \\ ( { \frac{5}{7} })^{2 - 3x + 1} = ( { \frac{5}{7} )}^{4} \\ 3 - 3x = 4 \\ - 3x = 4 - 3 \\ x = - \frac{1}{3}$

Answer 2

Step-by-step explanation:

2-3x+1=4

-3x+3=4

-3x+3=4

-3x=1

x=-⅓