Question

my answer is C

Solve 4x + 7 = 6x - 1 (2 points)
Answer

x ≈ 0.04

x ≈ 0.05

x ≈ 19.51

x ≈ 28.35

Answer 1

@phi

Answer 2

is this written as

\[4^{x+7} = 6^{x-1} ?\]

Answer 3

yes @johnweldon1993

Answer 4

can you re-write it using the rule
\[ log(a^{compicated\ stuff})= (compicated\ stuff) \log(a)\]

Answer 5

lol @phi nice use of "complicated stuff"

Answer 6

in other words, take the log of both sides:
\[ \log({4^{x+7}}) =\log{( 6^{x-1}}) \]

Answer 7

now use the rule. what do you get ?

Answer 8

hahahahahahahaha complicated stuff

Answer 9

My answer now is D

Answer 10

how did you get it ?

Answer 11

I solved for x

Answer 12

Carrying all numbers to 5 significant figures,