Mathematics
Mathematics, 13.11.2020 04:30, zaeswag23

Solve the following using substitution

x-2y=-1 and -4x-2y=4

7x+9y=-21 and 5x+4y=2

answer
Answers: 2

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Do you know the correct answer?
Solve the following using substitution

x-2y=-1 and -4x-2y=4

7x+9y=-21 and 5x+...

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