.4(5w+20)=20w+80

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Solution for .4(5w+20)=20w+80 equation:


Simplifying
0.4(5w + 20) = 20w + 80

Reorder the terms:
0.4(20 + 5w) = 20w + 80
(20 * 0.4 + 5w * 0.4) = 20w + 80
(8 + 2w) = 20w + 80

Reorder the terms:
8 + 2w = 80 + 20w

Solving
8 + 2w = 80 + 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.
8 + 2w + -20w = 80 + 20w + -20w

Combine like terms: 2w + -20w = -18w
8 + -18w = 80 + 20w + -20w

Combine like terms: 20w + -20w = 0
8 + -18w = 80 + 0
8 + -18w = 80

Add '-8' to each side of the equation.
8 + -8 + -18w = 80 + -8

Combine like terms: 8 + -8 = 0
0 + -18w = 80 + -8
-18w = 80 + -8

Combine like terms: 80 + -8 = 72
-18w = 72

Divide each side by '-18'.
w = -4

Simplifying
w = -4

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