Solving a System of Two Linear Equations in Two Variables ...
[Pages:2]Elementary Algebra Skill
Solving a System of Two Linear Equations in Two Variables by Addition
Solve each system by addition.
1) 3x - 2 y = -1 -3x + 3y = -9
2) -x + 4y = 13 x - 4 y = -10
3) 7x + 9 y = 27 9x + 9 y = 27
4) -5x + 5y = 0 -5x + 3y = 8
5) 4x - 3 y = 2 -8x - 4 y = 16
6) -5x - 5y = 25 15x + 8y = -26
7) 6x - 3 y = 9 -8x + 5 y = -11
8) 2x - 3y = 3 -5x + 8y = -8
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Answers to Solving a System of Two Linear Equations in Two Variables by Addition
1) (-7, -10) 5) (-1, -2)
2) No solution
6) (2, -7)
3) (0, 3) 7) (2, 1)
4) (-4, -4) 8) (0, -1)
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