8-7(2-3w)-9=

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Solution for 8-7(2-3w)-9= equation:


Simplifying
8 + -7(2 + -3w) + -9 = 0
8 + (2 * -7 + -3w * -7) + -9 = 0
8 + (-14 + 21w) + -9 = 0

Reorder the terms:
8 + -14 + -9 + 21w = 0

Combine like terms: 8 + -14 = -6
-6 + -9 + 21w = 0

Combine like terms: -6 + -9 = -15
-15 + 21w = 0

Solving
-15 + 21w = 0

Solving for variable 'w'.

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

Add '15' to each side of the equation.
-15 + 15 + 21w = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 21w = 0 + 15
21w = 0 + 15

Combine like terms: 0 + 15 = 15
21w = 15

Divide each side by '21'.
w = 0.7142857143

Simplifying
w = 0.7142857143

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