2x+y=6
3x+5y=9
y = 6 - 2x
3x + 5( 6-2x ) = 9
3x + 30 - 10z = 9
7x = 21
x = 3
y = 6 - 2(3)
y = 0
Answer:
1. B-555
2. -532
Step-by-step explanation
1. Since Ana is 555 years younger you would have to find the difference between their ages, since Ana is younger you would subtract her age, B, from her sister's, Beatriz age, who is 555 years older.
2. If Beatriz is 23 and Ana is 555 years younger you just subtract 555 from 23, which is negative 532
The following is ?
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