7w-42=77

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Solution for 7w-42=77 equation: 


Simplifying
7w + -42 = 77

Reorder the terms:
-42 + 7w = 77

Solving
-42 + 7w = 77

Solving for variable 'w'.

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

Add '42' to each side of the equation.
-42 + 42 + 7w = 77 + 42

Combine like terms: -42 + 42 = 0
0 + 7w = 77 + 42
7w = 77 + 42

Combine like terms: 77 + 42 = 119
7w = 119

Divide each side by '7'.
w = 17

Simplifying
w = 17

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