How to Use Elimination of Addition to Solve a System

The video tutorial covers the methods of solving equations using addition and subtraction. It explains the conditions under which each method is applicable, emphasizing the importance of having the same coefficients for elimination. The tutorial demonstrates solving a problem using both addition and subtraction, highlighting that the same result can be achieved with either method when conditions are met. Key points include ensuring coefficients are the same and understanding when to add or subtract based on the signs and values of the coefficients.

Describe the process of substitution in solving equations.

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What should you remember when performing subtraction in equations?

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