Back to 4.1 Solve Systems of Linear Equations with Two Variables

4.1 Exercise 77

Avg difficulty 2.5

Solve the systems of equations by substitution.

$\begin{cases} - 2 x + 2 y = 6 \\ y = −3 x + 1 \end{cases}$

OpenStax Intermediate Algebra 2e, 4.1 Solve Systems of Linear Equations with Two Variables, exercise 77

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.