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08-01-2018
Mathematics

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The sum of two numbers is 8. the difference of the two numbers is 2. write a system of equations to find these two numbers and solve

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dsouzaaww14 dsouzaaww14

08-01-2018

x+y=8
x-y=2

x=8-y

(8-y) - y = 2
8-y-y = 2
8-2y= 2
-2y= 2-8
-2y = -6
y = -6/-2
y = 3

x-y=2
x-3=2
x=2+3
x=5

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