Question

2(2/3)^3x-6 = (4/9)^x+3 × 3​

Answer 1

$2 {( \frac{2}{3}) }^{3x - 6} = 3 {( \frac{4}{9}) }^{x + 3} | \div 3 \\ \frac{2}{3} {( \frac{2}{3}) }^{3x - 6} = { ({( \frac{2}{3}) }^{2} )}^{x + 3} \\ {( \frac{2}{3} )}^{3x - 5} = {( \frac{2}{3} )}^{2x + 6 } \\ 3x - 5 = 2x + 6 \\ x = 11$