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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Monday, December 9, 2013 at 12:57pm.

- MATH -
**SAM**, Monday, December 9, 2013 at 1:00pmY=2X+4

Y=2(3)+4

Y=6+4

Y=10

- MATH -
**X**, Monday, December 9, 2013 at 2:55pmHere, all you have to do is simply substitute (3) for the variable (x) in the equation. You can do this because all coordinates are of the form (x,y), and anything that takes the place of (x) in that form can be seen as equal to (x).

The working is shown below:

y = 2(3) + 4

y = 6 + 4

y = 10

As shown above, y = 10 when x = 3.

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