SOMETIMES IN MATH YOU HAVE TO SOLVE PROBLEMS KNOWN AS SYSTEMS OF EQUATIONS. THESE ARE GROUPS OF EQUATIONS THAT LOOK LIKE THIS : Ax + By = C Dx + Ex = F |
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| THESE PROBLEMS CAN BE SOLVED 3 DIFFERENT WAYS. ONE IS BY SUBSTITUTION, ANOTHER WAY IS CALLED LINEAR COMBINATION, AND THE LAST WAY IS BY GRAPHING. |  |