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How to Solve Linear Equations With Variables on Both Sides : Linear Algebra Education

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How to Solve Multistep Equations in Grade 9

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Algebra Shortcut Trick  - how to solve equations instantly

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Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy

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Year 9 and 10 - Solving Linear Equations

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s +5 =15
Because something plus 5 is 15. 10 plus 5 = 15 so that is how s + 5 = 15.

2.5 times s = 25
Because something times 2.5 to get to twenty--five. 2.5 times something = 25. 2.5 times 10 = 25 so that is how it = 25.

11-r = 2
Because 11 - something = 2. 11 - 9 = 2 so 11-r=2 because R is 9.

x + 7 =16
because something + 7 = 16. x + 7 = 16 and 9 + 7 = 16 so X = 9

- 2r = - 13
Because -2r = -13 means -2 times r = -13. -2 times 6.5 = -13 so R = 6.5.