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Earn +20 ptsQ: X plus 2y equals 8 -2x - 2y equals -10?
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What is the solution to 2y - 2x equals 10?
Any pair of numbers where the 'y' is 5 more than the 'x'. There are an infinite number of suitable pairs. 2y-2x=10 2y-2x+2x=10+2x 2y=2x+10 divide both side by 2. y=x+5
4x plus 6y equals 14 -2x plus 2y equals -2?
(2, 1)
What type of lines are these y equals 2x plus 4 and 12 equals 2y plus x?
If: 12 = 2y+x then y = -1/2x+6 So: y = 2x+4 and y = -1/2x+6 which means that they are perpendicular lines
What type of lines are these x plus 2y equals 7 and 2x plus 4y equals 21?
They are parallel lines.
What is the minimum value of 2x plus 2y in the feasible region?
2x+2y
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