8.EE.8.b Analyze and solve linear equations and pairs of simultaneous linear equations: Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations.

Analyze and solve linear equations and pairs of simultaneous linear equations: Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6.

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by Allen Wolmer

Systems of equationsSupports the following Standards of Mathematical Practice• 1 Make sense of problems and persevere in solving them.• 2 Reason abstractly and quantitatively.• 5 Use appropriate tools strategically.• 6 Attend to precision.
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by Allen Wolmer

Systems of equations
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