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BIG POINTS My sister is 16 years old. My brother says that his age minus eighteen is equal to my sister's age. How old is my brother? Write a equation with b as variable.
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Jul 26, 2019
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BIG POINTS My sister is 16 years old. My brother says that his age minus eighteen is equal to my sister's age. How old is my brother? Write a equation with b as variable.
Mathematics
middle-school
Imanou Petit
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Imanou Petit
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b= brother's age
B-18=16
Since he said his age minus 18 is your sister, and your sister 16.
All you have to do is add 18 to 16 to find your brother's age.
34=B
BlackM
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Jul 29, 2019
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BlackM
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Hello!
The sister's age is 16, the brother's age is his age minus 18.
The equation would be:
B - 18 = 16
Use the opposite operation -- add 18
18 + 16 = 34
B = 34
A N S W E R:
The brother is 34 years old.
Saren Inden
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Jul 29, 2019
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Saren Inden
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