In an equation like 3 + X = 5, X represents a missing number that we need to find; the solution is X = 2 because 3 + 2 = 5, making both sides of the equation equal.
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What does x actually mean?Añadido:
So, the first part of this video is what does X mean?
This is an equation where we are adding three to X and the answer is five.
So, X is just a missing number.
Our job is to find what number makes this equation true.
So, if I take the value of X as two and then add two to three, we will get five here and five on the right-hand side. So, you can see that left-hand side and right-hand side are both equal.
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