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Mathematics 18 Online
OpenStudy (anonymous):

Can someone please show the work on how to solve this problem? Directions for the question: - Explain what the solution tells us about the lines represented by the equations. 3x - 4 y = 2 - x + 3y = 1

OpenStudy (anonymous):

multiply the second equation by 3 on both sides

OpenStudy (anonymous):

The reason is because you can then add them together to eliminate the x variable

OpenStudy (anonymous):

Once the x variable is gone, you can solve for y

OpenStudy (anonymous):

when you know what y is equal to, you can sub. that number into the first equation ( ) in place of the y.

OpenStudy (anonymous):

then you can solve for x in that equation

OpenStudy (anonymous):

What this tells you, if you get solutions to these equations, the solutions are points on the graph where the lines intersect.

OpenStudy (anonymous):

I believe in yours it is the point... (2,1)

OpenStudy (anonymous):

hope this helps..

OpenStudy (anonymous):

any questions let me know,

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