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Mathematics 18 Online
OpenStudy (lena772):

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 _____.

OpenStudy (ybarrap):

Add the 1st equation to the second and divide both sides by 3 afterwards. The answer will just pop out!

OpenStudy (lena772):

x + y = 3 2x – y = 6 3x=9 x=3?

OpenStudy (ybarrap):

yes!

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