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Back to 5.3 Solve Systems of Equations by Elimination

5.3 Exercise 32

Avg difficulty 2.5

For each system of linear equations, decide whether it would be more convenient to solve it by substitution or elimination. Explain your answer.

ⓐ {y=2x−13x−4y=−6\begin{cases} y = 2 x - 1 \\ 3 x - 4 y = - 6 \end{cases} ⓑ {6x−2y=123x+7y=−13\begin{cases} 6 x - 2 y = 12 \\ 3 x + 7 y = −13 \end{cases}

OpenStax Elementary Algebra 2e, 5.3 Solve Systems of Equations by Elimination, exercise 32

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