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Liula [17]
2 years ago
15

-3x - 4y = 2

Mathematics
1 answer:
Sati [7]2 years ago
3 0

y = -5/4, x = 9/4

working:

isolate y for -3 - 4y = 2 : y = -5/4

Substitute y = - 5/4

[x - 5/4 = 1]

isolate x for x - 5/4 = 1 : x = 9/4

FINALLY ANSWER:

y = -5/4, x = 9/4

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<h3> How did we figure this out?</h3>

Lola is making greeting cards, which she will sell by the box at an arts fair. She paid $50 for a booth at the fair, and the materials for each box of cards cost $8. She will sell the cards for $10 per box of cards.

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