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hello ,

Out of 4 variables in 2 equations, i need the calculator to solve only for the selected  2 variables. how do i do that?

 Jan 28, 2020
 #1
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First select Equation from the drop-down menu you get when you click on the 3 dots near the word Scientific:

 

 

Next select 2 variables 2 equations from the menu near the upper right:

 

Then enter your two equations using x and y for the ones you want to solve for.  You could use r1 and r2 for the others, but using something like a and b works as well as can be seen below

 Jan 28, 2020

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