45=2w+21

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Solution for 45=2w+21 equation:


45=2w+21

We simplify the equation to the form, which is simple to understand 
45=2w+21

We move all terms containing w to the left and all other terms to the right. 
-2w=+21-45

We simplify left and right side of the equation. 
-2w=-24

We divide both sides of the equation by -02 to get w. 
w=12

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