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Solve the system by substitution:

-4.5x-2y=-12.15
3.25x-y=-0.75

1 answer

y = 3.25x - .75

-4.5x - 2y = -4.5x - 2(3.25x-.75) = 12.15

Solve for x, then y. To check, put both values into your first equation in your question above.
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