Respuesta :

wegnerkolmp2741o

Answer:

-5

Step-by-step explanation:

What you do to one side of the equation, you  do to the other side of the equations.


If you add -5 to the left side of the equation, you add -5 to the right side of the equation.

5 + x = 12

-5 +5 + x = 12-5

x = 7

ccezeonu

Answer:

5+x=12-5

x=2

Step-by-step explanation:

Add 5 to both sides of the equation

The equation becomes 10+x=12

Then subtract 10 from both sides of the equation

The equation becomes x=2

And now that x is by itself, you've gotten your answer

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