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1.3- Solving equations with variables on both sides

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Equations With Variables on Both Sides-

Things to Consider

  • Think about PEMDAS
  • Get variables on one side

Special Solutions of Linear Equations

  • One solution
  • No solution
  • Infinitely many solutions

Identity and No Solution

-If an equation is right for all values there are infinite solutions.

-Vice versa for no solution

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2

Example

x=

Example

20 - 7x = 6x - 6

Here you could explain the topic of this section

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Real Life Problem

Two people have a pool. Pool A already has 50 gallons and 6 gallons get added every minute. Pool B has 70 gallons in the pool with 2 gallons get added every minute. When will the pools be filled at the same amount?

5 minutes

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At Green Bank if you start with $90 you get an interest rate of $5 every year. At Yellow Bank if you start at $50 you get interest rate of $7 every year. What year will you have the same amount of money?

Real Life Problem

20 years

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Try some on your own!

x-6=-2x+3

x=3

6x-4=3x+2

x=2

5x-2=28-x

x=5