Solve systems of two linear equations in two variables algebraically and estimate solutions by graphing the equations. Solve simple cases by inspection. (e.g., 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6.)
Expressions and Equations
- Analyze and solve linear equations and pairs of simultaneous linear equations.
Analyze and solve pairs of simultaneous linear equations.