-2+8w=30

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Solution for -2+8w=30 equation: 


Simplifying
-2 + 8w = 30

Solving
-2 + 8w = 30

Solving for variable 'w'.

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

Add '2' to each side of the equation.
-2 + 2 + 8w = 30 + 2

Combine like terms: -2 + 2 = 0
0 + 8w = 30 + 2
8w = 30 + 2

Combine like terms: 30 + 2 = 32
8w = 32

Divide each side by '8'.
w = 4

Simplifying
w = 4

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