Question

how do you find this without using a calculator:

Answer 1

\[(4-x)\log _{7}49=x+1\]

Answer 2

\[(4-x)\log_{7}(7^{2})=x+1\]
2(4-x)=x+1
8-2x=x+1
7=2x
x=7/2

Answer 3

Mistake there
2(4-x)=x+1
8-2x=x+1
7=3x
x=7/3

Answer 4

ok thanks!