Presented is a system of equations to which there is no solution the lines are parallel and a system of equations to which the solution is coincident lines the two equations share the same, infinite number of solutions.
Demonstration of how to add like terms in an algebraic expression and application of this skill to a practical problem.
Demonstration of adding terms in a complex algebraic expression and a practical problem demonstrating application of this skill in the real world.
An example of adding rational expressions that have binomials and trinomials in the denominator is illustrated.
Rational expressions with different denominators are added and the procedure explained.
Rational expressions with different denominators are added.
In order to add or subtract rational expressions with different denominators, the least common denominator must be found and the fractions rewritten with the same denominator.
The rules for adding and subtracting rational expressions are similar to those for adding and subtracting rational numbers, beginning with the rule that in order to be added, rational numbers must have the same denominat..
The addition property of equality is explained and demonstrated.
The rule for adding numbers.