9=-7w+5(w+5)

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Solution for 9=-7w+5(w+5) equation:


Simplifying
9 = -7w + 5(w + 5)

Reorder the terms:
9 = -7w + 5(5 + w)
9 = -7w + (5 * 5 + w * 5)
9 = -7w + (25 + 5w)

Reorder the terms:
9 = 25 + -7w + 5w

Combine like terms: -7w + 5w = -2w
9 = 25 + -2w

Solving
9 = 25 + -2w

Solving for variable 'w'.

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

Add '2w' to each side of the equation.
9 + 2w = 25 + -2w + 2w

Combine like terms: -2w + 2w = 0
9 + 2w = 25 + 0
9 + 2w = 25

Add '-9' to each side of the equation.
9 + -9 + 2w = 25 + -9

Combine like terms: 9 + -9 = 0
0 + 2w = 25 + -9
2w = 25 + -9

Combine like terms: 25 + -9 = 16
2w = 16

Divide each side by '2'.
w = 8

Simplifying
w = 8

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