21=8w-11

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Solution for 21=8w-11 equation:


Simplifying
21 = 8w + -11

Reorder the terms:
21 = -11 + 8w

Solving
21 = -11 + 8w

Solving for variable 'w'.

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

Add '-8w' to each side of the equation.
21 + -8w = -11 + 8w + -8w

Combine like terms: 8w + -8w = 0
21 + -8w = -11 + 0
21 + -8w = -11

Add '-21' to each side of the equation.
21 + -21 + -8w = -11 + -21

Combine like terms: 21 + -21 = 0
0 + -8w = -11 + -21
-8w = -11 + -21

Combine like terms: -11 + -21 = -32
-8w = -32

Divide each side by '-8'.
w = 4

Simplifying
w = 4

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