2[w-(9-2w)]=4(2w+5)

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Solution for 2[w-(9-2w)]=4(2w+5) equation:


Simplifying
2[w + -1(9 + -2w)] = 4(2w + 5)
2[w + (9 * -1 + -2w * -1)] = 4(2w + 5)
2[w + (-9 + 2w)] = 4(2w + 5)

Reorder the terms:
2[-9 + w + 2w] = 4(2w + 5)

Combine like terms: w + 2w = 3w
2[-9 + 3w] = 4(2w + 5)
[-9 * 2 + 3w * 2] = 4(2w + 5)
[-18 + 6w] = 4(2w + 5)

Reorder the terms:
-18 + 6w = 4(5 + 2w)
-18 + 6w = (5 * 4 + 2w * 4)
-18 + 6w = (20 + 8w)

Solving
-18 + 6w = 20 + 8w

Solving for variable 'w'.

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

Add '-8w' to each side of the equation.
-18 + 6w + -8w = 20 + 8w + -8w

Combine like terms: 6w + -8w = -2w
-18 + -2w = 20 + 8w + -8w

Combine like terms: 8w + -8w = 0
-18 + -2w = 20 + 0
-18 + -2w = 20

Add '18' to each side of the equation.
-18 + 18 + -2w = 20 + 18

Combine like terms: -18 + 18 = 0
0 + -2w = 20 + 18
-2w = 20 + 18

Combine like terms: 20 + 18 = 38
-2w = 38

Divide each side by '-2'.
w = -19

Simplifying
w = -19

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