0.4w+1.2=8.4

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Solution for 0.4w+1.2=8.4 equation: 


Simplifying
0.4w + 1.2 = 8.4

Reorder the terms:
1.2 + 0.4w = 8.4

Solving
1.2 + 0.4w = 8.4

Solving for variable 'w'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 0.4w = 8.4 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 0.4w = 8.4 + -1.2
0.4w = 8.4 + -1.2

Combine like terms: 8.4 + -1.2 = 7.2
0.4w = 7.2

Divide each side by '0.4'.
w = 18

Simplifying
w = 18

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