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19-02-2020
Mathematics

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Solve each system by substitution. Y=-3x-8 y=5x+16

Solve each system by substitution Y3x8 y5x16 class=

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Yang100 Yang100

19-02-2020

Answer:

x=-3, y=1. (-3, 1).

Step-by-step explanation:

y=-3x-8

y=5x+16

--------------

-3x-8=5x+16

-3x-5x-8=16

-8x-8=16

-8x=16+8

-8x=24

x=24/-8

x=-3

y=-3(-3)-8

y=9-8

y=1

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