The Substitution Method A method to solve a system of linear equations in 2 variables.
Solving Systems of three variables Use the answers in the original equations to solve the remaining variables. Solve the new system of equations by elimination.
A1.b How Do I Simplify and Evaluate Algebraic Expressions? Course 3 Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation Lesson Presentation.
Power point 1
1-1 Evaluating Algebraic Expressions Warm Up Evaluate. 1. 21 – 2(3) 15 31 21 20.4 15.3 5. 7(2.9) – 5 4. 6(1.4) + 12 3. 2(9) + (3) 2. 4 + 3 9.
1-1 Variables and Expressions Course 3 Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation Lesson Presentation.
