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Home > A2C > Chapter 11 > Lesson 11.2.3 > Problem 11-72

11-72.

Solve for y in one of the equations and substitute.

y = 12 − 2x

(2, 8) and (4, 4)

See part (a).

(3 + i, 6 − 2i) and (3 − i, 6 + 2i)

What does it mean if the solutions contain i?