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Earn +20 ptsQ: When was X Stands for Unknown created?
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Continue Learning about Math & Arithmetic
What does x equals in math?
the curvy 'x' in maths stands for an unknown number. So 'x=2+3', doesn't tell us what x is, but we can work it out. (x=5 in this case)
What is 3x in the equation?
"x" stands for any unknown or variable quantity; 3x means 3 times this quantity.
What is a number that stands for an unknown number?
A variable
What is the sum of an unknown number and three times the unknown number?
Four times the unknown number. Let's say the unknown number is x. x + 3x = 4x
What does the X mean in?
The "x" means unknown.
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