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-First of all add these two equations together so that the ys get eliminated. 5x=15x=3 Since you have found the answer to x which is 3, substitute x into the equation 2x...
Factors of a number are: numbers that can be multiplied (by a whole number/ integer) to make the original number. For example, 6 is a factor of 42, because 6 can be multiplied by 7 to make 42.
First of all, it is most important to define the key terms in the question. For example, lets look at the question 'How successful were the changes made to Tudor government finances in the years 153...
If a source is reliable, then what it tells us is likely to be accurate and very close to the truth of what actually happened. In order to determine the extent of a source's reliability, it is easier t...
For two linear simultaneous equations, two algebraic methods can be used to find solutions.The first is elimination, which is usually a lot quicker. Elimination involves subtracting one equation form t...
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