cnikolewills cnikolewills

17-03-2021
Mathematics

contestada

3x + 4y=25
4x - 4y=-4

Respuesta :

senalvidun senalvidun

17-03-2021

Answer:

3x+4y+4x-4y=25+(-4)

7x. =21

X=3

4y=25-9

4y=16

y=4

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