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OpenStudy (anonymous):
How to solve the system using elimination 3x+3y=-9 3x-3y=21
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OpenStudy (anonymous):
Eliminate the +3y and - 3y they cancel out. so all you have is 3x=-9 3x=21 Now solve for x
OpenStudy (anonymous):
3x=-9 3x=21 6x =12 Now solve for x and that will give you the x in (x,y) After getting the x just substitute x in to one of the equations to find y,.
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