#1
I'm desperate

Solve for X:

1) 2^x-1=5(7^3x)

2)3log (0.5x+2)^2-1=5
GREAT ODIN'S RAVEN
#2
Oh crap, that looks like something I'm going to have to learn soon.

crapcrapcrapcrapcrap..
Who dat?
#5
This isn't 10th grade math this is 12th grade math thank you very much
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#6
Quote by WillPlayForFood
Pffft ....10th grade math... I coudl solve it.. If I liked math


...

Is this calculus? I'm afraid I just started calculus this semester and haven't gotten to it yet.
#8
Quote by lemon
I'm desperate

Solve for X:

1) 2^x-1=5(7^3x)

2)3log (0.5x+2)^2-1=5

1) put a log on both sides. The exponent will come down
2)The exponent comes down, so you end up with 6log(.5x+2)-1 = 5


solve from there.
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#9
For the first one make the base the same on each side.

EDIT: or do this:
Quote by vintage x metal
1) put a log on both sides. The exponent will come down
2)The exponent comes down, so you end up with 6log(.5x+2)-1 = 5


solve from there.
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#11
hahaha. I did logs in 9th grade. Im smart. =/

He's right. Don't they teach you kids this in school?

I'm just kidding. I am pretty sure they don't.

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