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Solve for x 4x^-3+2=10
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isolate x first
Then I got 4x^-3=8
now what does 4x^-3 the same as?
divide by both sides by 4 and you get x^-3 and (8/4) and then I stuck
what does x^-3 the same as?
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.001
no do you know what x^-1 is?
.1
no you do not know what x is. what is it in terms of x?
x=1
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You have to solve for x where do you get 1?
I don't know I am really confused
x^-1 = 1/x and x^-2 = 1/x^2 so what is x^-3?
it equals 1
1/x
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1/x^3
yes
now solve for x by 1/x^3 = 4
= 2 i mean
not 4
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ok so then x=8
no that is wrong
1/x^3 = 2 solve for x
2.001
do you know how to cross multiply?
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yes
do it to 1/x^3 = 2
so then I get 2=x^3 then what
that is not right
1=2x^3
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|dw:1360550162568:dw|
yeah then what
solve for x
isolate x first
does x=5
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no
|dw:1360550279500:dw|
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