# math

the sum of two numbers is 60. their difference is 6.
construct a system of equations and algebraically find the value of the smaller number.

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1. aa tysmm
also vivian is such a pretty name but its rare too

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posted by vivian
2. a + b = 60

a - b = 6

adding equations ... 2 a = 66 (b's cancel)

solve for a , then find b

Vivian's technique works
... but only in a case like this

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posted by Scott
3. x + y = 60
x - y = 6

x = 60 - y

60 - y - y = 6
-2y = -54

y = 27

x + 27 = 60
x = 33

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