3w-45=42

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Solution for 3w-45=42 equation: 


Simplifying
3w + -45 = 42

Reorder the terms:
-45 + 3w = 42

Solving
-45 + 3w = 42

Solving for variable 'w'.

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

Add '45' to each side of the equation.
-45 + 45 + 3w = 42 + 45

Combine like terms: -45 + 45 = 0
0 + 3w = 42 + 45
3w = 42 + 45

Combine like terms: 42 + 45 = 87
3w = 87

Divide each side by '3'.
w = 29

Simplifying
w = 29

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