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Can someone help me find the solution to these equations by using substitution

Can someone help me find the solution to these equations by using substitution
asked 226k views
12 votes
Can someone help me find the solution to these equations by using substitution

Can someone help me find the solution to these equations by using substitution-example-1
asked
User Yaur
by
8.7k points

1 Answer

7 votes
1) (x,y) = no solution

2) x=-2y

-2y-y = 9

-3y = 9

y = -3

x = -2(-3)

x = 6


(x,y) = (6,-3)
answered
User Kischa
by
8.9k points
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