OpenStax, Elementary Algebra 2e §5.3 Solve Systems of Equations by Elimination · Example 10 · Algebra · Systems

Solve Systems of Equations by Elimination · Example 10

For each system of linear equations decide whether it would be more convenient to solve it by substitution or elimination. Explain your answer.
ⓐ ${3 x + 8 y = 40 7 x - 4 y = - 32$ ⓑ ${5 x + 6 y = 12 y = \frac{2}{3} x - 1$

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OpenStax, Elementary Algebra 2e · §5.3 Solve Systems of Equations by Elimination · Example 10

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