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As an equation, x = -2y cannot be solved without further information.
To solve an equation (or multiple equations), the number of unknowns (x, y etc.) must be equal to or less than the number of equations. In your example you have 2 unknowns and 1 equation, so it does not work.
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Earn +20 ptsQ: How do you solve x equals -2y?
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Solve for x 3x - 2y equals 6?
x=4 x=4
How do you the solve the equation x equals 2y in terms of x?
To solve for y in terms of x, divide both sides of the equation by 2: y = x/2.If x=2y then you have already solved for x.
How do you solve this equation and check you answer 2x-3y equals 8 x-2y equals 2?
x=10 y=4
What is x plus 2y equals 6?
X+2y=6 how to solve? 2y=6-x then y=3-x so y=3-x
How do you solve 4x-2y equals 10?
You need more information to solve for x and y. One answer is x=3 and y=1.
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