21+2w=p

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Solution for 21+2w=p equation: 


Simplifying
21 + 2w = p

Solving
21 + 2w = p

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + 2w = -21 + p

Combine like terms: 21 + -21 = 0
0 + 2w = -21 + p
2w = -21 + p

Divide each side by '2'.
w = -10.5 + 0.5p

Simplifying
w = -10.5 + 0.5p

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