90=2(2w)+2w

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Solution for 90=2(2w)+2w equation:


Simplifying
90 = 2(2w) + 2w

Remove parenthesis around (2w)
90 = 2 * 2w + 2w

Multiply 2 * 2
90 = 4w + 2w

Combine like terms: 4w + 2w = 6w
90 = 6w

Solving
90 = 6w

Solving for variable 'w'.

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

Add '-6w' to each side of the equation.
90 + -6w = 6w + -6w

Combine like terms: 6w + -6w = 0
90 + -6w = 0

Add '-90' to each side of the equation.
90 + -90 + -6w = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -6w = 0 + -90
-6w = 0 + -90

Combine like terms: 0 + -90 = -90
-6w = -90

Divide each side by '-6'.
w = 15

Simplifying
w = 15

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