-6w+21=-9w

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Solution for -6w+21=-9w equation:


-6w+21=-9w

We simplify the equation to the form, which is simple to understand 
-6w+21=-9w

We move all terms containing w to the left and all other terms to the right. 
-6w+9w=-21

We simplify left and right side of the equation. 
+3w=-21

We divide both sides of the equation by 3 to get w. 
w=-7

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