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19-01-2021
Mathematics

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Solve using substitution y = 3x x + y = 8

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papismurfisbae papismurfisbae

19-01-2021

Answer: The answer is

x=2

y=6

Step-by-step explanation:

y=3x

x+y=8

Substituting equation 1 in 2:

x+y=8

x+3x=8

4x=8

x= 8/4 = 2

x=2

Substituting the value of x in equation 1 to find y:

y=3x

y=3x2

y=6

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