8.EE.8.b

Solve systems of two linear equations in two variables and estimate solutions by graphing the equations. Simple cases may be done by inspection. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6.

Example Problems
Do the following equations have the same solution?

Do the following equations have the same solution?

Do the following equations have the same solution?

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