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I NEED THIS DONE IN TWO HOURS :,( solve the system of equations by subtraction x=-4y x+5y=2 A.(-8,2) B.(8,-2) C.(2/9,8/9) D.(-12,3)
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I NEED THIS DONE IN TWO HOURS :,(

solve the system of equations by subtraction x=-4y
x+5y=2

A.(-8,2)
B.(8,-2)
C.(2/9,8/9)
D.(-12,3)

User Chava Geldzahler
by
3.8k points

1 Answer

14 votes
I hope I’m not too late. Substitute x = 4y + 5y = 2
y = 2. Substitute this value into the first equation: x + -4 x 2 = -8. So the answer is (-8,2).
User Artsiom Miklushou
by
3.9k points
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