7-4(2w+1)=9w-4(9+w)

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Solution for 7-4(2w+1)=9w-4(9+w) equation:


Simplifying
7 + -4(2w + 1) = 9w + -4(9 + w)

Reorder the terms:
7 + -4(1 + 2w) = 9w + -4(9 + w)
7 + (1 * -4 + 2w * -4) = 9w + -4(9 + w)
7 + (-4 + -8w) = 9w + -4(9 + w)

Combine like terms: 7 + -4 = 3
3 + -8w = 9w + -4(9 + w)
3 + -8w = 9w + (9 * -4 + w * -4)
3 + -8w = 9w + (-36 + -4w)

Reorder the terms:
3 + -8w = -36 + 9w + -4w

Combine like terms: 9w + -4w = 5w
3 + -8w = -36 + 5w

Solving
3 + -8w = -36 + 5w

Solving for variable 'w'.

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

Add '-5w' to each side of the equation.
3 + -8w + -5w = -36 + 5w + -5w

Combine like terms: -8w + -5w = -13w
3 + -13w = -36 + 5w + -5w

Combine like terms: 5w + -5w = 0
3 + -13w = -36 + 0
3 + -13w = -36

Add '-3' to each side of the equation.
3 + -3 + -13w = -36 + -3

Combine like terms: 3 + -3 = 0
0 + -13w = -36 + -3
-13w = -36 + -3

Combine like terms: -36 + -3 = -39
-13w = -39

Divide each side by '-13'.
w = 3

Simplifying
w = 3

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