Respuesta :

Answer: answer is step by step

Step-by-step explanation:

A one-step equation is an algebraic equation you can solve in only one step. Once you've solved it, you've found the value of the variable that makes the equation true.

Hello there! I hope my answer will help you!

Look:

x+2=0

x=0-2

x=-2

Actually, it's Mental Math! :)

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