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It would be worked out by adding 4+6+10 to get 20 and then it would be number of yellow balls over total number of balls which would be 10/20. Depending on ability this may then be simplified down to 1/2....
First we add up all the 'x' terms. So the equation 7 - 4x = x + 8 becomes 7 - 4x - x = x +8 - x => 7 - 5x = 8. Now we can do the same with the ot...
In these situations, we can use an acronym called "BIDMAS". BIDMAS stands for: "brackets", "indices", "division", "multiplication", "addition" a...
Bob - £90, Edmund - £350, George - £60.
Student should factorise equation to (x-2)(x+3) = 0 This gives roots of 2 and -3
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