7'3 Solving Linear Systems by Adding or Subtracting - PowerPoint PPT Presentation
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7'3 Solving Linear Systems by Adding or Subtracting
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... add that amount to the original value to get the new value. ... 3 Graph using intercepts. You may also graph linear equations using the x- and y- intercepts. ... – PowerPoint PPT presentation
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Title: 7'3 Solving Linear Systems by Adding or Subtracting
1
7.3Solving Linear Systems by Adding or
Subtracting
Notes 22
2
Solve
3
Solve
4
1 Linear Combinations
- Line up the equations vertically
- Add the two equations together
- Identity Prop.
- Divide both sides by 2
- Plug in -3 for x into one equation and solve.
SOLUTION
5
2 Linear Combinations
SOLUTION
6
3 Linear Combinations
SOLUTION
7
4 Linear Combinations
SOLUTION
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5 Linear Combinations
SOLUTION
9
6 Linear Combinations
SOLUTION
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