Need quick : (
the sum of a number and seven is multiplied by four. the result is equal to negative twelve. the value of the number is .

-10

Step-by-step explanation:

Again Let the unknown  number be variable = X

The statement stated thus,

4( x + 7 )  = -12

Open the bracket by multiplying by 4 and solve for x

 4x + 28  = -12

         4x  = -12 -28

         4x = -40

Now divide by the coefficient of x which is 4 to get the variable x

           x = -10

Therefore, the value of the number is -10

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