2rawwchanel 2rawwchanel

19-01-2022
Mathematics

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Solve each system by substitution
5.) y= -3x
x + y =4

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wegnerkolmp2741o wegnerkolmp2741o

19-01-2022

Answer:

x = -2

y = 6

Step-by-step explanation:

y= -3x

x + y =4

Substitute y = -3x from the first equation into the second equation

x + (-3x) = 4

Combine like terms

-2x = 4

Divide by -2

-2x/-2 = 4/-2

x = -2

Now find y

y = -3x

y = -3(-2)

y = 6

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