SOLUTION: Estimate the solution by graphing. then use the addition method to solve the system.
y=x-7
x+y=3
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Question 165491: Estimate the solution by graphing. then use the addition method to solve the system.
y=x-7
x+y=3
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
---> EQN 1
---> EQN 2
Combine similar terms in EQN 1 then add to EQN 2:
= ----->
=
For x:
via EQN 1: ---> --->
See graph:
--- see both lines interesect at points(5,-2)
*Remember: green line --->
Red line ---->
Thank you,
Jojo
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