Respuesta :

mygalaxywolfieplayz

I think that's it, Hope this helps!!!!!!

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Answer:

x = -2

Step-by-step explanation:

4x + 5y = 7
4x + 5 (3x + 9) = 7
4x + 15x + 45 = 7
19x + 45 = 7
19x = -38
x = -2

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