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Mathematics, 19.09.2019 11:30 DEVORIA2001

X+y=4
x-y=-6
x-y=7
x+y=1
x and y equal what on both equations
these both are elimination using addition and subtraction.

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Answers: 1

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X+y=4
x-y=-6
x-y=7
x+y=1
x and y equal what on both equations
these bot...
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