Englishfor English speakers
equation
Noun
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An equation is a mathematical statement in which both sides are of equal value.
Find mathx/math, in the equation mathx + 2y = 3y/math.
Using equation (2.1) from above, we can now solve for mathx/math.
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An equation is how everything works together to create a situation.
Money plays a big part in the political equation.
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The equation of mathx/math with mathy/math, is the act of thinking about them as the same or as belonging together.
The equation of women with maids and cooks must stop.
in
Preposition
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Used to show that something is inside something else.
The cat is in the box.
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Used to show that someone is at home, or is available.
Is John in?
The Doctor is now in.
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Used to show movement towards the inside.
The rain came in through the window.
x
Noun
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X is the twenty-fourth (24th) letter of the alphabet.
"x" comes after "w" and before "y"
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This is the Roman numeral for ten (10). It may be written as X or x.