X + 7y = 0 2x − 8y = 22
x − y = 3 7x − y = −3
−9 + 5y = −4x −11x = −20 + 9y
y = 4x...
Mathematics, 05.05.2020 08:36, shorty178658
X + 7y = 0 2x − 8y = 22
x − y = 3 7x − y = −3
−9 + 5y = −4x −11x = −20 + 9y
y = 4x − 9 y = x − 3
Tell which method you used to solve each system and why you chose that method.
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