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Solve the system of equations by graphing. y=-5x+4y=3x+4
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1 vote
Solve the system of equations by graphing. y=-5x+4y=3x+4

User Smithy
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1 Answer

3 votes

The solution is:

(x,y)= (0,4)

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\begin{gathered} \text{Let:} \\ x+y=7\text{ (1)} \\ y=6x\text{ (2)} \\ \text{ Replacce (2) into (1)} \\ x+6x=7 \\ 7x=7 \\ x=(7)/(7) \\ x=1 \\ \text{ Replace x into (2)} \\ y=6(1) \\ y=6 \end{gathered}

Solve the system of equations by graphing. y=-5x+4y=3x+4-example-1
Solve the system of equations by graphing. y=-5x+4y=3x+4-example-2
User BJ Hargrave
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