Question

5^x=4^(x+3)

Answer 1

Start by taking the log of both sides.

Answer 2

so: log5^x = log4^x+3 ?

Answer 3

or: xlog5 = x+3log4 ?

Answer 4

xlog5 = (x+3)log4
now tnotice that log5 and log4 are just some numbers, so:
xlog5-xlog4=3log4
x(log5-log4)=3log4
x=3log4/(log5-log4)

Answer 5

ok?

Answer 6

yaa i got it, thank you very much

Answer 7

yw