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How do you solve this solution using substitution? Please help me I need the answer fast!

How do you solve this solution using substitution? Please help me I need the answer fast!
asked 116k views
5 votes
How do you solve this solution using substitution? Please help me I need the answer fast!

How do you solve this solution using substitution? Please help me I need the answer-example-1
asked
User Rafaelbiten
by
8.7k points

1 Answer

4 votes
-4x+y=16
-5x-y=21
Subtract -5x-y=21 from -4x+y = 16
which leave x=-5
Then substitute -5 for x to get y. In the first equation .
answered
User Jitu Thakur
by
8.0k points
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