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maths.com/algebra
Linear Equation - Straight Line Equation - Simple Equation
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Example x/2 = 8
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| x divided by 2 equals 8 |
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| | x/2 | = | 8 | | |
| [1] the inverse of divide by 2 is multiply by 2 |
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| × | 2 | | | | |
| [2] multiply other side by 2 to keep balance |
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| | | | × | 2 | |
| [3] consolidate both sides |
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| | x | = | 16 | | |
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Video Example x/3 = 25
The music moves this along |
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Example x/5 = 6
With Check
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| x divided by 5 equals 6 |
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| | x/5 | = | 6 | | |
| [1] the inverse of divide by 5 is multiply by 5 |
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| × | 5 | | | | |
| [2] multiply the other side by 5 |
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| | | | × | 5 | |
| [3] consolidate both sides |
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| | x | = | 30 | | |
| CHECK |
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| [1] substitutiuon is |
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| | x | = | (30) | | |
| [2] do substitution |
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| | (30)/5 | = | 6 | | |
| [3] consolidate |
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| | 6 | = | 6 | | |
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Video Showing Check
Example x/4 = 7
Use the introduction to relax and focus |
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Video Showing Check
Example x/9 = - 6
This equation has a negative solution |
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Video Showing Check
Example m/5 = - 9
This equation has a negative solution |
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