1.
SYSTEMS OF LINEAR EQUATIONS
AND INEQUALITIES
Week 04: Solving System of Linear Equations Algebraically
Prepared by: Jojo M. Lucion
ACTIVITY
Let's Practice for Mastery
Solve by substitution
Let's Check Your Understanding
Solve each system by substitution
3.
D. By using the Addition Method match the system with its solution.
E. Solve by subtraction
F. Determine the number by which you could multiply one equation or both equations in
each pair in order to eliminate one of the variables.
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