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10-04-2017
Mathematics

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Use addition to solve the linear system of equations. Include all of your work in your final answer.

x - y = 6
y = x - 4

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apologiabiology apologiabiology

10-04-2017

minus y both sides in 2nd equation and add 4
x-y=4
we gots

x-y=6
x-y=4

multiply 2nd by -1 and add to first

x-y=6
-x+y=-4 +
0x+0y=2
0=2
false
no solution

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