Why do we solve using elimination

The video tutorial explains the concept of elimination in solving equations. It begins by discussing when and how to use elimination, contrasting it with substitution. The instructor provides examples to illustrate the process of adding and subtracting equations to eliminate variables. The tutorial also covers manipulating equations to have the same coefficients and using multiplication to facilitate elimination. Advanced techniques and complex problem-solving strategies are demonstrated, emphasizing the importance of understanding coefficients and signs in equations.

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