77=-7(w-9)

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Solution for 77=-7(w-9) equation:


Simplifying
77 = -7(w + -9)

Reorder the terms:
77 = -7(-9 + w)
77 = (-9 * -7 + w * -7)
77 = (63 + -7w)

Solving
77 = 63 + -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.
77 + 7w = 63 + -7w + 7w

Combine like terms: -7w + 7w = 0
77 + 7w = 63 + 0
77 + 7w = 63

Add '-77' to each side of the equation.
77 + -77 + 7w = 63 + -77

Combine like terms: 77 + -77 = 0
0 + 7w = 63 + -77
7w = 63 + -77

Combine like terms: 63 + -77 = -14
7w = -14

Divide each side by '7'.
w = -2

Simplifying
w = -2

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