-0.4w+2=4.2

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Solution for -0.4w+2=4.2 equation: 


Simplifying
-0.4w + 2 = 4.2

Reorder the terms:
2 + -0.4w = 4.2

Solving
2 + -0.4w = 4.2

Solving for variable 'w'.

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

Add '-2' to each side of the equation.
2 + -2 + -0.4w = 4.2 + -2

Combine like terms: 2 + -2 = 0
0 + -0.4w = 4.2 + -2
-0.4w = 4.2 + -2

Combine like terms: 4.2 + -2 = 2.2
-0.4w = 2.2

Divide each side by '-0.4'.
w = -5.5

Simplifying
w = -5.5

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