4-7w=-80

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Solution for 4-7w=-80 equation: 


Simplifying
4 + -7w = -80

Solving
4 + -7w = -80

Solving for variable 'w'.

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

Add '-4' to each side of the equation.
4 + -4 + -7w = -80 + -4

Combine like terms: 4 + -4 = 0
0 + -7w = -80 + -4
-7w = -80 + -4

Combine like terms: -80 + -4 = -84
-7w = -84

Divide each side by '-7'.
w = 12

Simplifying
w = 12

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