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3 votes
Y = 3x + 8
8x + 4y = 12

1 Answer

7 votes
You substitute the given value of y into the equation
8x+4(3x+8)=12
Solve the equation for x
x= -1
Substitute the given value of x into the equation y=3x+8
y=3x (-1)+8
Solve the equation for y
y=5


Answer: (x= -1) (y= 5)
User Robin Watts
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