78=w-39

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Solution for 78=w-39 equation:


Simplifying
78 = w + -39

Reorder the terms:
78 = -39 + w

Solving
78 = -39 + w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
78 + -1w = -39 + w + -1w

Combine like terms: w + -1w = 0
78 + -1w = -39 + 0
78 + -1w = -39

Add '-78' to each side of the equation.
78 + -78 + -1w = -39 + -78

Combine like terms: 78 + -78 = 0
0 + -1w = -39 + -78
-1w = -39 + -78

Combine like terms: -39 + -78 = -117
-1w = -117

Divide each side by '-1'.
w = 117

Simplifying
w = 117

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