20-4(2w+1)=7w-4(7+w)

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Solution for 20-4(2w+1)=7w-4(7+w) equation:


Simplifying
20 + -4(2w + 1) = 7w + -4(7 + w)

Reorder the terms:
20 + -4(1 + 2w) = 7w + -4(7 + w)
20 + (1 * -4 + 2w * -4) = 7w + -4(7 + w)
20 + (-4 + -8w) = 7w + -4(7 + w)

Combine like terms: 20 + -4 = 16
16 + -8w = 7w + -4(7 + w)
16 + -8w = 7w + (7 * -4 + w * -4)
16 + -8w = 7w + (-28 + -4w)

Reorder the terms:
16 + -8w = -28 + 7w + -4w

Combine like terms: 7w + -4w = 3w
16 + -8w = -28 + 3w

Solving
16 + -8w = -28 + 3w

Solving for variable 'w'.

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

Add '-3w' to each side of the equation.
16 + -8w + -3w = -28 + 3w + -3w

Combine like terms: -8w + -3w = -11w
16 + -11w = -28 + 3w + -3w

Combine like terms: 3w + -3w = 0
16 + -11w = -28 + 0
16 + -11w = -28

Add '-16' to each side of the equation.
16 + -16 + -11w = -28 + -16

Combine like terms: 16 + -16 = 0
0 + -11w = -28 + -16
-11w = -28 + -16

Combine like terms: -28 + -16 = -44
-11w = -44

Divide each side by '-11'.
w = 4

Simplifying
w = 4

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