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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