3.1w-1.5=7.8

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Solution for 3.1w-1.5=7.8 equation: 


Simplifying
3.1w + -1.5 = 7.8

Reorder the terms:
-1.5 + 3.1w = 7.8

Solving
-1.5 + 3.1w = 7.8

Solving for variable 'w'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + 3.1w = 7.8 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 3.1w = 7.8 + 1.5
3.1w = 7.8 + 1.5

Combine like terms: 7.8 + 1.5 = 9.3
3.1w = 9.3

Divide each side by '3.1'.
w = 3

Simplifying
w = 3

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