400=2(70+w)+2w

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Solution for 400=2(70+w)+2w equation:


Simplifying
400 = 2(70 + w) + 2w
400 = (70 * 2 + w * 2) + 2w
400 = (140 + 2w) + 2w

Combine like terms: 2w + 2w = 4w
400 = 140 + 4w

Solving
400 = 140 + 4w

Solving for variable 'w'.

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

Add '-4w' to each side of the equation.
400 + -4w = 140 + 4w + -4w

Combine like terms: 4w + -4w = 0
400 + -4w = 140 + 0
400 + -4w = 140

Add '-400' to each side of the equation.
400 + -400 + -4w = 140 + -400

Combine like terms: 400 + -400 = 0
0 + -4w = 140 + -400
-4w = 140 + -400

Combine like terms: 140 + -400 = -260
-4w = -260

Divide each side by '-4'.
w = 65

Simplifying
w = 65

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