.3w-4=.8-.2w

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Solution for .3w-4=.8-.2w equation:


Simplifying
0.3w + -4 = 0.8 + -0.2w

Reorder the terms:
-4 + 0.3w = 0.8 + -0.2w

Solving
-4 + 0.3w = 0.8 + -0.2w

Solving for variable 'w'.

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

Add '0.2w' to each side of the equation.
-4 + 0.3w + 0.2w = 0.8 + -0.2w + 0.2w

Combine like terms: 0.3w + 0.2w = 0.5w
-4 + 0.5w = 0.8 + -0.2w + 0.2w

Combine like terms: -0.2w + 0.2w = 0.0
-4 + 0.5w = 0.8 + 0.0
-4 + 0.5w = 0.8

Add '4' to each side of the equation.
-4 + 4 + 0.5w = 0.8 + 4

Combine like terms: -4 + 4 = 0
0 + 0.5w = 0.8 + 4
0.5w = 0.8 + 4

Combine like terms: 0.8 + 4 = 4.8
0.5w = 4.8

Divide each side by '0.5'.
w = 9.6

Simplifying
w = 9.6

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