0.8w-0.7w+0.4=3

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Solution for 0.8w-0.7w+0.4=3 equation:


Simplifying
0.8w + -0.7w + 0.4 = 3

Reorder the terms:
0.4 + 0.8w + -0.7w = 3

Combine like terms: 0.8w + -0.7w = 0.1w
0.4 + 0.1w = 3

Solving
0.4 + 0.1w = 3

Solving for variable 'w'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 0.1w = 3 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.1w = 3 + -0.4
0.1w = 3 + -0.4

Combine like terms: 3 + -0.4 = 2.6
0.1w = 2.6

Divide each side by '0.1'.
w = 26

Simplifying
w = 26

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