9=-7(w-4)

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


Simplifying
9 = -7(w + -4)

Reorder the terms:
9 = -7(-4 + w)
9 = (-4 * -7 + w * -7)
9 = (28 + -7w)

Solving
9 = 28 + -7w

Solving for variable 'w'.

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

Add '7w' to each side of the equation.
9 + 7w = 28 + -7w + 7w

Combine like terms: -7w + 7w = 0
9 + 7w = 28 + 0
9 + 7w = 28

Add '-9' to each side of the equation.
9 + -9 + 7w = 28 + -9

Combine like terms: 9 + -9 = 0
0 + 7w = 28 + -9
7w = 28 + -9

Combine like terms: 28 + -9 = 19
7w = 19

Divide each side by '7'.
w = 2.714285714

Simplifying
w = 2.714285714

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