7w-(-8w)-6=9

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Solution for 7w-(-8w)-6=9 equation:


Simplifying
7w + -1(-8w) + -6 = 9

Remove parenthesis around (-8w)
7w + -1 * -8w + -6 = 9

Multiply -1 * -8
7w + 8w + -6 = 9

Reorder the terms:
-6 + 7w + 8w = 9

Combine like terms: 7w + 8w = 15w
-6 + 15w = 9

Solving
-6 + 15w = 9

Solving for variable 'w'.

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

Add '6' to each side of the equation.
-6 + 6 + 15w = 9 + 6

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

Combine like terms: 9 + 6 = 15
15w = 15

Divide each side by '15'.
w = 1

Simplifying
w = 1

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