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21-12-2020
Mathematics

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What is the solution for the systems of equations below?

3x+4y=-2
2x-4y=-8

answers

x=2, y=-2
x=6, y=-5
x=4, y=4
x=-2, y=1

Respuesta :

meowmeow223334 meowmeow223334

21-12-2020

Use elimination
3x + 4y = -2
2x - 4y = -8
Add both equations
5x = -10, x = -2
3(-2) + 4y = -2
-6 + 4y = -2
4y = 4, y = 1
Solution: x = -2, y = 1

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