-21=4w+7

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Solution for -21=4w+7 equation:


-21=4w+7

We simplify the equation to the form, which is simple to understand 
-21=4w+7

We move all terms containing w to the left and all other terms to the right. 
-4w=+7+21

We simplify left and right side of the equation. 
-4w=+28

We divide both sides of the equation by -04 to get w. 
w=-7

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