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A number is 6 greater than 1/2 another number. If the sum of the numbers is 21, find the numbers

User Detariael
by
8.1k points

1 Answer

1 vote

Answer:

x=11, y=10

Explanation:

x= 6+ (1/2)y

x+y=21

substitute the first equation into the second equation:

(6+ (1/2y)) + y =21

to get:

y=10

then to find x:

x+ 10 = 21

x=11

User Lyzkov
by
8.6k points

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