How did they rearranged the following formula

Krack

New member
Joined
Jul 24, 2017
Messages
9
Hello.

Can someone please help me understand how the following formula was re-arranged to isolate fo qs.

Thermal.jpg

Any specific material that you guys know that could help me understand this?

Thank you.
 

lev888

Elite Member
Joined
Jan 16, 2018
Messages
2,781
Factor out [imath]σ_s[/imath]. You now have [imath]σ_s * blah1 = blah2[/imath]. Can you isolate it now?
 

BigBeachBanana

Senior Member
Joined
Nov 19, 2021
Messages
1,388
They just factored out [imath]\sigma_s[/imath], and divide.
[math]\sigma_s\left(\frac{A_s}{E_bA_b}+\frac{1}{E_s}\right)[/math]
 
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