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Consider the following equation.x – 2y = 12Step 1 of 2: Determine the missing coordinate in the ordered pair (2, ?) so that it will satisfy the givenequation.Step 2 of 2. Determine the missing coordinate in the ordered pair (?, -9) so that it will satisfy the givenequation.

Sagot :

[tex]x-2y=12[/tex]

Given the ordered pair (2, ?), this means x = 2 and we have to solve for y.

So, if x = 2, let's replace "x" with 2 in the equation above and solve for y.

[tex]2-2y=12[/tex]

Subtract 2 on both sides of the equation. The equation becomes:

[tex]-2y=10[/tex]

Divide both sides of the equation by -2.

[tex]y=-5[/tex]

Therefore, if x = 2, then y = -5. The missing pair of the coordinate is -5.

On the other hand, for the coordinate (?, -9), this means we have to solve for the value of x when y = -9. To do this, replace y with -9 in the equation above.

[tex]x-2\left(-9\right)=12[/tex]

Distribute -2.

[tex]x+18=12[/tex]

Subtract 18 on both sides of the equation.

[tex]x=-6[/tex]

Therefore, when y = -9, the value of x is -6. The missing pair of the coordinate is -6. It is (-6, -9).

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