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3 votes
3 votes
3x+y=10
y=-3x+10
Use substitution

User Le Zhang
by
2.1k points

1 Answer

13 votes
13 votes

Answer:

Infinitely many solutions

Explanation:

substituting
y=-3x+10 into
3x+y=10 we get:


3x-3x+10=10\\\\0+10=10\\\\0=0

Since it is equal to itself there are infinitely may solutions to this problem

User Odin Thunder
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2.8k points