Question

Find the solution to the equation 64(3 – x) = 42x. Using complete sentences, explain the procedure used to solve this equation.

Answer 1

Can Someone help me?

Answer 2

its supposed to be 64^(3 – x) = 4^2x.

Answer 3

hint-
64 = 16*4 = 4*4*4 = 4^3

Answer 4

does that help... ?

Answer 5

I dont understand

Answer 6

if a^(x+z) = a^y, then x+z=y

Answer 7

what?

Answer 8

try make 64 and 4 look alike. 64 is 4 to the power of...

Answer 9

3

Answer 10

you mean x=3. no

Answer 11

\[64^{3-x}=4^{2x}\]
\[4^{3(3-x)}=4^{2x}\]

Answer 12

so \[3(3-x)=2x\]

Answer 13

9-3x=2x
5x=9
\[x=\frac{9}{5}\].

Answer 14

oh. Thanks for the help