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Osmosis is the movement of water from areas of high concentrations to lower concentrations across a semi permeable membrane. It occurs over these membranes in  cells of the body alllowing water to move...

Listening can seem like one of the hardest parts of French to revise for. But don't worry it doesn't have to be! Below are some useful tips to help you get ready for your listening exam.

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whenever we solve an equation we want to get the unknown (x) alone on one side of the equals sign, but remember whatever we do to one sign of the equation, we have to do to the other. So lets start by ...

1 - We treat an inequality sign like an equals sign (unless we divide by a negative number).

2 - Rearrange the inequality to get all the ys on one side and all the numbers on the other si...

1 - First we need to get all the x values on one side and all the numbers on the otherside of the equals sign.

2 - We then need simplify the equation to get 1 x.

Solve 5x - ...