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Mathematics 15 Online
OpenStudy (anonymous):

and i also need help to solve this one the last one solve by graph 3x+4y=20 3x-2y=8

OpenStudy (yuki):

did you try graphing it ?

OpenStudy (anonymous):

draw the graph of both straight lines and the point where they intersect gives the answer

OpenStudy (yuki):

the intersection of those two lines are the pair of numbers (x,y) that is the solution

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