SOLUTION: How do u write this in numbers? : One number is nine less than another. Their sum is twenty-seven.

SOLUTION: How do u write this in numbers? : One number is nine less than another. Their sum is twenty-seven.

Algebra.Com

Question 511333: How do u write this in numbers? :
One number is nine less than another. Their sum is twenty-seven.
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
x = one number
y = another number
.
x + 9 = y
or
x = y -9
.
x + y = 27
.
substitute
.
(y-9) + y = 27
2y = 36
y = 18
.
x = 9
.
x+y = 27
.
Answer: x = 9, y = 18
.
Done.
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