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Pavel
[41]
3 years ago
11
Can someone help me find the solution to these equations by using substitution
Mathematics
Answer
Comment
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1
answer:
Vanyuwa
[196]
3 years ago
5
0
1) (x,y) = no solution
2) x=-2y
-2y-y = 9
-3y = 9
y = -3
x = -2(-3)
x = 6
(x,y) = (6,-3)
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