7.8+3.5w-1.5w=6.8

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Solution for 7.8+3.5w-1.5w=6.8 equation: 


Simplifying
7.8 + 3.5w + -1.5w = 6.8

Combine like terms: 3.5w + -1.5w = 2w
7.8 + 2w = 6.8

Solving
7.8 + 2w = 6.8

Solving for variable 'w'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + 2w = 6.8 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + 2w = 6.8 + -7.8
2w = 6.8 + -7.8

Combine like terms: 6.8 + -7.8 = -1
2w = -1

Divide each side by '2'.
w = -0.5

Simplifying
w = -0.5

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