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6-2 Solving Systems Using Substitution

6-2 Solving Systems Using Substitution. Substitution Method: you can solve linear systems by solving one of the equations for one of the variables. Then substitute the expression for the variable into the other equation. Problem 1: Using Substitution.

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6-2 Solving Systems Using Substitution

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  1. 6-2 Solving Systems Using Substitution

  2. Substitution Method:you can solve linear systems by solving one of the equations for one of the variables. Then substitute the expression for the variable into the other equation

  3. Problem 1: Using Substitution What is the solution of the system? Use substitution.

  4. What is the solution of the system? Use substitution.

  5. Problem 2: Solving for a Variable and Using Substitution What is the solution of the system? Use substitution.

  6. What is the solution of the system? Use substitution.

  7. Problem 3: Using Systems of Equations A snack bar sells two sizes of snack packs. A large snack pack is $5, and a small snack pack is $3. In one day, the snack bar sold 60 snack packs for a total of $220. How many small snack packs did the snack bar sell?

  8. Problem 4: Systems with Infinitely Many Solutions or No Solution How many solutions does each system have?

  9. How many solutions does each system have?

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