-12.9+12.04+15.7w=13.42+17.8w

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Solution for -12.9+12.04+15.7w=13.42+17.8w equation: 


Simplifying
-12.9 + 12.04 + 15.7w = 13.42 + 17.8w

Combine like terms: -12.9 + 12.04 = -0.86
-0.86 + 15.7w = 13.42 + 17.8w

Solving
-0.86 + 15.7w = 13.42 + 17.8w

Solving for variable 'w'.

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

Add '-17.8w' to each side of the equation.
-0.86 + 15.7w + -17.8w = 13.42 + 17.8w + -17.8w

Combine like terms: 15.7w + -17.8w = -2.1w
-0.86 + -2.1w = 13.42 + 17.8w + -17.8w

Combine like terms: 17.8w + -17.8w = 0.0
-0.86 + -2.1w = 13.42 + 0.0
-0.86 + -2.1w = 13.42

Add '0.86' to each side of the equation.
-0.86 + 0.86 + -2.1w = 13.42 + 0.86

Combine like terms: -0.86 + 0.86 = 0.00
0.00 + -2.1w = 13.42 + 0.86
-2.1w = 13.42 + 0.86

Combine like terms: 13.42 + 0.86 = 14.28
-2.1w = 14.28

Divide each side by '-2.1'.
w = -6.8

Simplifying
w = -6.8

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