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Earn +20 ptsQ: What is the answer to x 2y equals -4?
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X equals 2y-3 x equals 2y plus 4?
This means that 2y - 3 = 2y + 4 which is not possible.
X - 2y equals -12 x plus 6y equals 20?
x = -4 and y = 4
Solve for x 3x - 2y equals 6?
x=4 x=4
How do you make y the subject of x-2y equals 4?
x - 2y = 4 Add 2y to both sides: x = 4 + 2y Subtract 4 from both sides: x - 4 = 2y Divide both sides by 2: (x - 4)/2 = y or y = 0.5x - 2
Solve for X and Y using the addition method 3X plus 2Y equals 4 X-Y equals 8?
3x + 2y = 4; 2x - 2y = 16 Add; 5x = 20 so x = 4 and y is therefore -4
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