.8w-0.4=-4+w

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Solution for .8w-0.4=-4+w equation:


Simplifying
0.8w + -0.4 = -4 + w

Reorder the terms:
-0.4 + 0.8w = -4 + w

Solving
-0.4 + 0.8w = -4 + w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
-0.4 + 0.8w + -1w = -4 + w + -1w

Combine like terms: 0.8w + -1w = -0.2w
-0.4 + -0.2w = -4 + w + -1w

Combine like terms: w + -1w = 0
-0.4 + -0.2w = -4 + 0
-0.4 + -0.2w = -4

Add '0.4' to each side of the equation.
-0.4 + 0.4 + -0.2w = -4 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + -0.2w = -4 + 0.4
-0.2w = -4 + 0.4

Combine like terms: -4 + 0.4 = -3.6
-0.2w = -3.6

Divide each side by '-0.2'.
w = 18

Simplifying
w = 18

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