12-(w+9)=-10

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Solution for 12-(w+9)=-10 equation:


Simplifying
12 + -1(w + 9) = -10

Reorder the terms:
12 + -1(9 + w) = -10
12 + (9 * -1 + w * -1) = -10
12 + (-9 + -1w) = -10

Combine like terms: 12 + -9 = 3
3 + -1w = -10

Solving
3 + -1w = -10

Solving for variable 'w'.

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

Add '-3' to each side of the equation.
3 + -3 + -1w = -10 + -3

Combine like terms: 3 + -3 = 0
0 + -1w = -10 + -3
-1w = -10 + -3

Combine like terms: -10 + -3 = -13
-1w = -13

Divide each side by '-1'.
w = 13

Simplifying
w = 13

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