Please, solve for the values of x for each of

Kamren Franco

Kamren Franco

Answered question

2022-01-23

Please, solve for the values of x for each of the following exponential equations and inequalities.
(a) 82x=2
(b) (12)x<(18)
(c) 5x=25x2
(d) 3x+227
(e) 43x=8x1

Answer & Explanation

fumanchuecf

fumanchuecf

Beginner2022-01-24Added 21 answers

I did only three first
a)82x=2
8=23
23(2x)=2
So 3(2x)=1
63x=1
3x=61
x=53
b)(12)x<(18)
12x<18
8<2x
2x>8
8=23
2x>23
Thus, x>3
c)5x=25x2
25=52
5x=(5)2(x2)
So, x=2(x2)
x=2x4
2xx=4
x=4
Eleanor Shaffer

Eleanor Shaffer

Beginner2022-01-25Added 16 answers

4. 3x+227
27=33
3x+233
x+23
x32
x1
5. 43x=8x1
4=22, 8=23
22(3x)=23(x1)
2(3x)=3(x1)
6x=3x3
6x3x=3
3x=3
x=1

Do you have a similar question?

Recalculate according to your conditions!

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?