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y-2x=3 and -x=y-9  use the substitution method to solve the system on equations.

 Aug 2, 2023
 #1
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using y - 2x = 3 

 

We get that y = 2x + 3

 

Substitute that into the second equation 

 

-x = (2x+3) - 9 

 

-x = 2x - 6 

 

6 = 3x 

 

x = 2 

 

and 

 

y = 7 smiley

 Aug 2, 2023

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