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We need to solve this so we have a positive x term on one side. First we can subtract 3 from both sides of the inequality to get: 5x<3x-9 Next we can subtract 3x from both sides to get: 2x<-9 Finally w...

We need to factorise this equation to solve it. The first step for factorisation is to make the equation equal to zero. We can do this by subtracting x from both sides to get: x²-x-6=0 The coefficent in fron...

We will use diagrams to show this in the interactive lesson space - and also run through what key terms the examiners will look for. As with a lot of physical geography, the key thing to learn is the sequenc...

Intro - Outline argument and raise questions. P1 - Represented a bigger struggle. North Korea's Kim Il Sung told Stalin he believed he could conquer South Korea, and Stalin gave him his backing as a way to i...

The first step to eliminate one of the unknowns, in this case x or y . This can be done by making the coefficient (the number before) of one of the unkowns the same number, or the negative of the same number...