Asked by Jessi
                how do you use the substitution method to solve
x + y =2
y = -2x
            
        x + y =2
y = -2x
Answers
                    Answered by
            bobpursley
            
    you can use any method.
Here, it is easy to substitute -2x for y in the first equation:
x-2x=2 and it solves quickly.
    
Here, it is easy to substitute -2x for y in the first equation:
x-2x=2 and it solves quickly.
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