2w-40=400

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Solution for 2w-40=400 equation:


Simplifying
2w + -40 = 400

Reorder the terms:
-40 + 2w = 400

Solving
-40 + 2w = 400

Solving for variable 'w'.

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

Add '40' to each side of the equation.
-40 + 40 + 2w = 400 + 40

Combine like terms: -40 + 40 = 0
0 + 2w = 400 + 40
2w = 400 + 40

Combine like terms: 400 + 40 = 440
2w = 440

Divide each side by '2'.
w = 220

Simplifying
w = 220

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