8w+-5=-21

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Solution for 8w+-5=-21 equation: 


Simplifying
8w + -5 = -21

Reorder the terms:
-5 + 8w = -21

Solving
-5 + 8w = -21

Solving for variable 'w'.

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

Add '5' to each side of the equation.
-5 + 5 + 8w = -21 + 5

Combine like terms: -5 + 5 = 0
0 + 8w = -21 + 5
8w = -21 + 5

Combine like terms: -21 + 5 = -16
8w = -16

Divide each side by '8'.
w = -2

Simplifying
w = -2

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