31=13-5(-1-4w)

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Solution for 31=13-5(-1-4w) equation:


Simplifying
31 = 13 + -5(-1 + -4w)
31 = 13 + (-1 * -5 + -4w * -5)
31 = 13 + (5 + 20w)

Combine like terms: 13 + 5 = 18
31 = 18 + 20w

Solving
31 = 18 + 20w

Solving for variable 'w'.

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

Add '-20w' to each side of the equation.
31 + -20w = 18 + 20w + -20w

Combine like terms: 20w + -20w = 0
31 + -20w = 18 + 0
31 + -20w = 18

Add '-31' to each side of the equation.
31 + -31 + -20w = 18 + -31

Combine like terms: 31 + -31 = 0
0 + -20w = 18 + -31
-20w = 18 + -31

Combine like terms: 18 + -31 = -13
-20w = -13

Divide each side by '-20'.
w = 0.65

Simplifying
w = 0.65

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