90=2w+2(2w+6)

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Solution for 90=2w+2(2w+6) equation:


Simplifying
90 = 2w + 2(2w + 6)

Reorder the terms:
90 = 2w + 2(6 + 2w)
90 = 2w + (6 * 2 + 2w * 2)
90 = 2w + (12 + 4w)

Reorder the terms:
90 = 12 + 2w + 4w

Combine like terms: 2w + 4w = 6w
90 = 12 + 6w

Solving
90 = 12 + 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 = 12 + 6w + -6w

Combine like terms: 6w + -6w = 0
90 + -6w = 12 + 0
90 + -6w = 12

Add '-90' to each side of the equation.
90 + -90 + -6w = 12 + -90

Combine like terms: 90 + -90 = 0
0 + -6w = 12 + -90
-6w = 12 + -90

Combine like terms: 12 + -90 = -78
-6w = -78

Divide each side by '-6'.
w = 13

Simplifying
w = 13

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