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11-04-2019
Mathematics

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A system of equations is shown below: x + y = 3 2x − y = 6 The x-coordinate of the solution to this system of equations is _____. Numerical Answers Expected! Answer for Blank 1:

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11-04-2019

Answer:

3

Step-by-step explanation:

First equation :

x = 3 - y

Substitute into the second equation.

2(3 - y) - y = 6

6 - 2y - y = 6

6 - 3y = 6

-3y = 0

y = 0

Substitute back into the first equation.

x + 0 = 3

x = 3

The x coordinate is 3.

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