-6w-9(-3w+7)=

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Solution for -6w-9(-3w+7)= equation:


Simplifying
-6w + -9(-3w + 7) = 0

Reorder the terms:
-6w + -9(7 + -3w) = 0
-6w + (7 * -9 + -3w * -9) = 0
-6w + (-63 + 27w) = 0

Reorder the terms:
-63 + -6w + 27w = 0

Combine like terms: -6w + 27w = 21w
-63 + 21w = 0

Solving
-63 + 21w = 0

Solving for variable 'w'.

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

Add '63' to each side of the equation.
-63 + 63 + 21w = 0 + 63

Combine like terms: -63 + 63 = 0
0 + 21w = 0 + 63
21w = 0 + 63

Combine like terms: 0 + 63 = 63
21w = 63

Divide each side by '21'.
w = 3

Simplifying
w = 3

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