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5 September, 07:13

What is the solution to the system of linear equations below?

25x-y=6

-2x+5y=-30

Select one:

A. (-13, 14)

B. (-5, - 8)

C. no solution

D. infinitely many solutions

+5
Answers (1)
  1. 5 September, 09:17
    0
    (0,-6)

    Step-by-step explanation:

    1) solve the equations using elimination (our goal is to eliminate y)

    So multiply the first equation by 5

    5 (25x-y=6)

    125x-5y=30

    Now add the two equations to eliminate y

    125x-5y=30

    -2x+5y=-30

    123x=0

    X=0

    Let's substitute x as 0 in the second equation

    -2 (0) + 5y=-30

    5y=-30

    Y=-6
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