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Complete the equation and tell which property you used 21× =9×21

Sagot :

After cross multiplying the given equation the value of x turns out to be 9.

What is cross multiplication?

  • In mathematics, specifically in abecedarian computation and abecedarian algebra, given an equation between two fragments or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.
  • In cross-multiplication, we multiply the numerator of the first bit with the denominator of the alternate bit and the numerator of the alternate bit with the denominator of the first bit.
  • Cross-multiplication can be used to add or abate unlike fragments snappily.
  • Cross-multiplication is also appertained to as a butterfly system.

21 × X =9×21

X = 9

After cross multiplying the given equation the value of x turns out to be 9.

Learn more about cross multiplication here: https://brainly.com/question/294036

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