§ 3.2 Problem Solving and Business Applications Using Systems of Equations.
Concept. Example 1 Solve a System by Substitution Use substitution to solve the system of equations. y = –4x + 12 2x + y = 2 Substitute y = –4x + 12 for.
§ 3.2
Splash Screen. Then/Now You solved systems of linear equations by using tables and graphs. Solve systems of linear equations by using substitution. Solve.
