Solve the systems below:
1. x + 7y = 0
2x − 8y = 22
2. x − y = 3
7x − y = −3...
Mathematics, 27.03.2020 21:48 mcclendoncassandra
Solve the systems below:
1. x + 7y = 0
2x − 8y = 22
2. x − y = 3
7x − y = −3
3. −9 + 5y = −4x
−11x = −20 + 9y
4. y = 4x − 9
y= x− 3
Tell which method you used to solve each system and why you chose that method.
Answers: 1
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