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In solving the system of equations \(y^2=7\) and x^2+y^2=56 what is the sum of the solutions for x?

 Jun 15, 2022
 #1
avatar+2339 
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This can guide you: https://web2.0calc.com/questions/in-solving-the-system-of-equations-y-7-and-x-2-y

 Jun 15, 2022
 #2
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Please stop these links, just solve it or are you too lazy?

Guest Jun 15, 2022
 #3
avatar+124524 
+1

x^2  + 7 =  56

 

x^2  =  49         take both roots

 

x = 7     or x = -7

 

Sum of solutions for x   =  0 

 

 

 

cool cool cool

 Jun 15, 2022

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