What is the solution to the equation 9 −3x ≈ 7?

Question

undeadknight26 · Answer

hmm
is that a fancy = sign or something else?

undeadknight26 · Answer

if the equation is:
9 - 3x = 7
+9        +9
3x = 16
/3     /3
x = 5.33

anonymous · Answer

x = 0.376

 x = 0.295

 x = −0.295

 x = −0.376

hitaro9 · Answer

-3x = 7-9
-3x = -2
x = -2/-3
x= 2/3

undeadknight26 · Answer

that would equal .6666 right...hmmm

hitaro9 · Answer

Are those the only options woohoo?

anonymous · Answer

yeah these are the only options

hitaro9 · Answer

Could you have made a typo in the original problem? Cause I'm not seeing where I could have made a mistake?

anonymous · Answer

What is the solution to the equation 9 ^−3x ≈ 7?

hitaro9 · Answer

Oh

hitaro9 · Answer

That's a completely different problem lol

anonymous · Answer

@undeadknight26  that weird equal sign is used when you are making an approximation.

undeadknight26 · Answer

ohhhh....

hitaro9 · Answer

Its gunna be -.295

anonymous · Answer

Thank you but can you explain how you got it?

undeadknight26 · Answer

yes yes it is...i didn't see the ^ sign...

hitaro9 · Answer

Take the log of both sides

-3x log 9 = log 7

undeadknight26 · Answer

this is stuff i do not know so umm im just gonna you know..

hitaro9 · Answer

x = log7/-3log9

hitaro9 · Answer

And when you plug that in the calculator, its -.295

hitaro9 · Answer

I dunno how'd you figure it out without a calculator, but I'm assuming you're allowed to use one