Systems with no solutions

The video tutorial covers solving equations using substitution, focusing on identifying variables with a coefficient of 1 for easier manipulation. It addresses handling fractions by multiplying by the reciprocal and explores the concept of parallel lines, explaining that they have the same slope but no solution. The tutorial concludes with a practice session on substitution, demonstrating how to solve for variables and verify solutions.

How can you determine if two equations represent parallel lines?

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What conclusion can be drawn if substituting a variable leads to a false statement?

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