karla1112 karla1112
  • 01-05-2019
  • Mathematics
contestada

What integer increased by - 12 is 28?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 01-05-2019

Answer:

40

Step-by-step explanation:

Let n represent the integer. Then the increase can be written as ...

n + (-12) = 28

We can add 12 to both sides of this equation:

n + (-12) + (+12) = 28 +12

n + 0 = 40 . . . . . . -12 and 12 total to zero; 28 and 12 total to 40.

n = 40

The integer is 40.

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