-7w+20.7=3.2

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Solution for -7w+20.7=3.2 equation: 


Simplifying
-7w + 20.7 = 3.2

Reorder the terms:
20.7 + -7w = 3.2

Solving
20.7 + -7w = 3.2

Solving for variable 'w'.

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

Add '-20.7' to each side of the equation.
20.7 + -20.7 + -7w = 3.2 + -20.7

Combine like terms: 20.7 + -20.7 = 0.0
0.0 + -7w = 3.2 + -20.7
-7w = 3.2 + -20.7

Combine like terms: 3.2 + -20.7 = -17.5
-7w = -17.5

Divide each side by '-7'.
w = 2.5

Simplifying
w = 2.5

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