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Mathematics 7 Online
OpenStudy (anonymous):

15) Solve using the elimination method 5x+2y=-11 7x-3y=13 what is the solution

OpenStudy (amistre64):

15?

OpenStudy (amistre64):

you seem to be copying these off of someplace :)

OpenStudy (amistre64):

to eliminate a variable; we can multiply an equation by any value we want and it retains its same inherent properties

OpenStudy (amistre64):

multiply the top by 3 and the bottom by 2 to cancel out the y variables... once you add them together

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