Mathematics
Mathematics, 16.11.2019 13:31, laylay120

What is the solution to the system of equations? use the substitution method to solve.

6=−4x+y
−5x−y=21

! and, if you don't mind, could you explain to me what the substitution method is? guys!

answer
Answers: 2

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What is the solution to the system of equations? use the substitution method to solve.

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