jesseyparks35 jesseyparks35

25-07-2017
Mathematics

contestada

what is the value of x in the solution to the following system of equations ?

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

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choixongdong choixongdong

25-07-2017

x - y = -3
x + 3y = 5
-------------subtract
-4y = -8
y = 2

x - y = -3
x - 2 = -3
x = -1

answer
x = -1

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