Question

If 5 + x = 12, and you add -5 to the left side of equation, what should you add to right side of equation?

Answer 1

5+x=12-5

x=2

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

Answer 2

-5

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