Question

please solve it।।।। correct answer is 2।।।।।give full explanation​

Answer 1

Answer:

$(2^{3x \ - \ 1} \ + \ 10)$ ÷ $7=6$

$(2^{3x \ - \ 1} \ + \ 10)$ ÷ $7=6$

After Cross Multiplication

$(2^{3x \ - \ 1} +10 = 42$

$2^{3x \ - \ 1} = 32$

$2^{3x \ - \ 1} = 2^{5}$

By Comparing

$3x-1 = 5 \\3x = 6 \\ x = 2$