21=2w-17

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Solution for 21=2w-17 equation:


Simplifying
21 = 2w + -17

Reorder the terms:
21 = -17 + 2w

Solving
21 = -17 + 2w

Solving for variable 'w'.

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

Add '-2w' to each side of the equation.
21 + -2w = -17 + 2w + -2w

Combine like terms: 2w + -2w = 0
21 + -2w = -17 + 0
21 + -2w = -17

Add '-21' to each side of the equation.
21 + -21 + -2w = -17 + -21

Combine like terms: 21 + -21 = 0
0 + -2w = -17 + -21
-2w = -17 + -21

Combine like terms: -17 + -21 = -38
-2w = -38

Divide each side by '-2'.
w = 19

Simplifying
w = 19

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