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Answer :

The unknown number if "four more than x is twelve." is 8

What is an equation

Equations are expressions separated by an equal to sign. From the given information, we can say:

  • Let the unknown number be "x"

  • four more than x is expressed as  x + 4

If the result of the expression is 12, hence 4 + x  = 12

Get the value of x

4 + x = 12

x  = 12 - 4

x = 8

Hence the unknown number is 8

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