3w+7=-6.4

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Solution for 3w+7=-6.4 equation: 


Simplifying
3w + 7 = -6.4

Reorder the terms:
7 + 3w = -6.4

Solving
7 + 3w = -6.4

Solving for variable 'w'.

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

Add '-7' to each side of the equation.
7 + -7 + 3w = -6.4 + -7

Combine like terms: 7 + -7 = 0
0 + 3w = -6.4 + -7
3w = -6.4 + -7

Combine like terms: -6.4 + -7 = -13.4
3w = -13.4

Divide each side by '3'.
w = -4.466666667

Simplifying
w = -4.466666667

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