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February 28, 2015

February 28, 2015

Posted by **josh** on Tuesday, May 8, 2012 at 10:40pm.

- math -
**Jai**, Tuesday, May 8, 2012 at 11:54pmTwo ways:

(1) Plot y = 3x - 5 and check if it passes through the point (4,7).

(2) Substitute the x-coordinate of the point given (which is 4) to the equation, and solve for y. If the resulting y is equal to 7, it is a solution to the equation.

Let's do #2 to check:

y = 3x - 5

y = 3*4 - 5

y = 12 - 5

y = 7

therefore, it is indeed a solution to the equation.

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