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13-12-2019
Mathematics

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Y=4x and x+y=5 6-2 substitution

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Yang100 Yang100

13-12-2019

Answer:

x=1, y=4. (1, 4).

Step-by-step explanation:

y=4x

x+y=5

----------

x+4x=5

5x=5

x=5/5

x=1

y=4(1)=4

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