Formulas
- Thread starter ezekiel
- Start date
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Can't really see what you're asking
But just remember you add, subtract, multiply and divide each side of the equation by the same quantity
do it for each step individually and write down what the operation was.
don't try and jump two steps at once
here's an example
y = mx + C
subtract C
y - C = mx
divide by m
(y - C)/m = x
x = (y - C)/m
But just remember you add, subtract, multiply and divide each side of the equation by the same quantity
do it for each step individually and write down what the operation was.
don't try and jump two steps at once
here's an example
y = mx + C
subtract C
y - C = mx
divide by m
(y - C)/m = x
x = (y - C)/m
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Two simple rules which might help and speed things up a bit.
You can move an item to the other side of the equals if you change its sign (+ve to -ve and -ve to +ve)
x - 2y = 7 is the same as x = 2y + 7
Also, if you have divisions, you can move items across the equals if you invert it (change top to bottom and vice-versa)
3x/7 = 9 is the same as 3x = 9 * 7
And it's formulae!
Good luck, practice makes perfect
You can move an item to the other side of the equals if you change its sign (+ve to -ve and -ve to +ve)
x - 2y = 7 is the same as x = 2y + 7
Also, if you have divisions, you can move items across the equals if you invert it (change top to bottom and vice-versa)
3x/7 = 9 is the same as 3x = 9 * 7
And it's formulae!
Good luck, practice makes perfect
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