Respuesta :
Answer:
28
Step-by-step explanation:
x,y
X+y=11
X-y=3
x=y+3
y+3+y=11
2y=8
y=4
X=7
Xy=28
Answer:
7+4=11
7-4=3
7×4=28
Step-by-step explanation:
...................................
Answer:
28
Step-by-step explanation:
x,y
X+y=11
X-y=3
x=y+3
y+3+y=11
2y=8
y=4
X=7
Xy=28
Answer:
7+4=11
7-4=3
7×4=28
Step-by-step explanation:
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