Linear Equations (with 2 Unknowns) - PAC MATH

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Linear Equations (with 2 Unknowns) - 4 Square

4-Square Starting Point:

Example:
Do 4-Square for the following:

  x - 2y = 2
2x + 8y = 16

Video Tutorial:

Part 1:

Part 2:

Part 3:

Part 4: