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2Logx = x/25

Divide by x both sides
(2/X)logx = 1/25

logx [SUP](2/x)[/SUP] = 1/25


Remove log sign
10[SUP](1/25) [/SUP]= x[SUP](2/x)

[/SUP]Take √ both sides(but √ means power 1/2)
so, from √10[SUP](1/25) [/SUP]=√x [SUP](2/x)[/SUP]

we will get
10[SUP]1/25(1/2)[/SUP] = x[SUP]2/x(1/2)

[/SUP]simplify on exponents
10[SUP]1/50[/SUP] =x[SUP]1/x

[/SUP]10[SUP]2/2*1/50[/SUP] =x[SUP]1/x[/SUP] note 2/2=1, so will not change the value of exponent
10[SUP]2(1/100)[/SUP] =x[SUP]1/x

[/SUP]100[SUP]1/100[/SUP] = x [SUP]1/x[/SUP]

x = 100
O-Level, Azania '96 - '99


good broza .sasa huyo wa coet udsm anakuambia hamna njia
 
I am back now!!

2Logx = x/25

Divide by x both sides
(2/X)logx = 1/25

logx [SUP](2/x)[/SUP] = 1/25


Remove log sign
10[SUP](1/25) [/SUP]= x[SUP](2/x)

[/SUP]Take √ both sides(but √ means power 1/2)
so, from √10[SUP](1/25) [/SUP]=√x [SUP](2/x)[/SUP]

we will get
10[SUP]1/25(1/2)[/SUP] = x[SUP]2/x(1/2)

[/SUP]simplify on exponents
10[SUP]1/50[/SUP] =x[SUP]1/x

[/SUP]10[SUP]2/2*1/50[/SUP] =x[SUP]1/x[/SUP] note 2/2=1, so will not change the value of exponent
10[SUP]2(1/100)[/SUP] =x[SUP]1/x

[/SUP]100[SUP]1/100[/SUP] = x [SUP]1/x[/SUP]

x = 100
O-Level, Azania '96 - '99



I like your approach
 
I am back now!!

2Logx = x/25

Divide by x both sides
(2/X)logx = 1/25

logx [SUP](2/x)[/SUP] = 1/25


Remove log sign
10[SUP](1/25) [/SUP]= x[SUP](2/x)

[/SUP]Take √ both sides(but √ means power 1/2)
so, from √10[SUP](1/25) [/SUP]=√x [SUP](2/x)[/SUP]

we will get
10[SUP]1/25(1/2)[/SUP] = x[SUP]2/x(1/2)

[/SUP]simplify on exponents
10[SUP]1/50[/SUP] =x[SUP]1/x

[/SUP]10[SUP]2/2*1/50[/SUP] =x[SUP]1/x[/SUP] note 2/2=1, so will not change the value of exponent
10[SUP]2(1/100)[/SUP] =x[SUP]1/x

[/SUP]100[SUP]1/100[/SUP] = x [SUP]1/x[/SUP]

x = 100
O-Level, Azania '96 - '99


nimekubali kaka kwa kuwaumbua coet mwaka wa nne!!
Hawana knowledge ya exponential logarithm!
Tht is the way it suposed to be
 
2 log x= x/25
50 log x = x

baada ya hapo ni kupachika namba kulia kushoto na balance inapatikana @ x= 100
50 log 100 = 100
50*2 = 100
100 = 100
since i know X = 100 then solution to suit my answer will be forged as well
 
2 log x= x/25
50 log x = x

baada ya hapo ni kupachika namba kulia kushoto na balance inapatikana @ x= 100
50 log 100 = 100
50*2 = 100
100 = 100
since i know X = 100 then solution to suit my answer will be forged as well

if you didn't know x=100
 
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