# Algebra 2h assesment revision

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- Created by: 13MADDRE
- Created on: 04-07-16 13:01

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- Algebra 2H Revision
- Equations
- The best way to solve an equation is by using 'inverses', or undoing what the equation is doing.
- To use this method to solve equations remember that:adding and subtracting are the inverse - or opposite - of each othermultiplying and dividing are the inverse of each other
- When you use this method you must perform the same action on both sides.

- To use this method to solve equations remember that:adding and subtracting are the inverse - or opposite - of each othermultiplying and dividing are the inverse of each other
- Solve the equation :2a + 3 = 7
- Undo the + 3 by subtracting 32a + 3 - 3 = 7 - 3
- 2a = 4 Then undo the multiply by 2 by dividing by 2
- The answer is: a = 2

- 2a = 4 Then undo the multiply by 2 by dividing by 2

- Undo the + 3 by subtracting 32a + 3 - 3 = 7 - 3

- The best way to solve an equation is by using 'inverses', or undoing what the equation is doing.

- Equations

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