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System of Linear Euqtions Practice

Last updated almost 3 years ago

3 questions

1

Question 1

1.

x + y = 15
x - y = 3

1

Question 2

2.

2x - y = 3
4x + y = 3

1

Question 3

3.

11y + 15x = -23
7y - 2x = 20