WebJul 24, 2024 · Answer. Exercise 4.2.6. Solve the system by substitution. {2x − y = 1 y = − 3x − 6. Answer. If the equations are given in standard form, we’ll need to start by solving for one of the variables. In this next example, we’ll solve the first equation for y. Exercise 4.2.7. WebSolve a system of linear inequalities by graphing; Solve applications of systems of inequalities; Be Prepared 5.6. Before you get started, take this readiness quiz. Graph x > 2 x > 2 on a number line. If you missed this problem, review Example 2.66. Solve the inequality 2 a < 5 a + 12 2 a < 5 a + 12.
Graphing Calculator - MathPapa
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5.2: Solve Systems of Equations by Substitution
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