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Mathematics, 19.11.2020 14:00 iwantcandy2002

6) Substitute x=-7-y into the first equation and solve for y. 2x+y=-4
x+y=-7

*y=-4
*y=10
*y=-17
*y=-10
*y=-8

please answer needed by 11:00pm

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Answers: 1

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6) Substitute x=-7-y into the first equation and solve for y. 2x+y=-4
x+y=-7

*y=-...
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