Question

find the value of x in each of the following:1 7^x=343

Answer 1

$\huge\red{Answer\: is}$

$7 {}^{x} = 343 \\ 7 {}^{x} = 7 {}^{3} \\ x = 3$
Hope it helps you

Answer 2

$343 = 7 \times 7 \times 7 = {7}^{3} \\ \\ {7}^{x} = {7}^{3} \\ \\ thus \: x = 3 \\ \\ here \: is \: your \: answer \\ \\ hope \: this \: helps \: you$
(^^)(^^)✌