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5x + 2y = 8 x + y = 4 if you want to solve the system of equations by addition which of the following could you do

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pnda922

Answer: x= 0, y = 4

Step-by-step explanation:

5x+2y=8

X+y=4 -> y=4-x

5x + 2(4-x)=8 -> 5x + 8-2x=8 -> 3x=0 -> x=0

y=4-x=4-0=4

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