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Solving a system of linear equations using elimination with addition

This talks about why we need two equations to solve for two unknown values, and then demonstrates how to add two equations together to eliminate one varaible and solve for the other one, then find…

From  Tom Grant 12 plays 0  

Solving a radical equation that simplifies to a linear equation: Two radicals

This demonstrates how to solve an equation where two radicals are equal and there are no other terms on either side of th equation

From  Tom Grant 30 plays 0  

Restriction on a variable in a denominator: Linear

Division by zero is not possible, so this shiows how to determine what variable value(s) are not alloowed to be inserted into a particular fraction in algebra.

From  Tom Grant 16 plays 0