jslatton9949 jslatton9949

29-02-2020
Mathematics

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What is y=x+5 by substitution
2y-4x=14

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SilvanaMartins SilvanaMartins

03-03-2020

Answer: x = -2 ; y = 3

Step-by-step explanation:

y=x+5

2y-4x=14

2.(x+5) - 4x = 14

2x + 10 - 4x = 14

2x - 4x = 14 - 10

-2x = 4

x = 4/-2

x = -2

y=x+5

y = -2 + 5

y = 3

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