x+21=-2

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Solution for x+21=-2 equation:


x+21=-2

We simplify the equation to the form, which is simple to understand 
x+21=-2

We move all terms containing x to the left and all other terms to the right. 
+1x=-2-21

We simplify left and right side of the equation. 
+1x=-23

We divide both sides of the equation by 1 to get x. 
x=-23

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