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31 August, 14:56

What is the solution to the system of equations?

Use the linear combination method.

3x - y = 4

2x + y = 6

+2
Answers (1)
  1. 31 August, 14:59
    0
    When we add the two equations vertically. we get 5x=10 (3x+2x and 4+6, the y's cancel each other out) ∴x=2. Substitute this into any of the equations and we get y=2

    so, x=2 and y=2
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