13[7+w+(-9)]=0

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Solution for 13[7+w+(-9)]=0 equation:


Simplifying
13[7 + w + (-9)] = 0
13[7 + w + -9] = 0

Reorder the terms:
13[7 + -9 + w] = 0

Combine like terms: 7 + -9 = -2
13[-2 + w] = 0
[-2 * 13 + w * 13] = 0
[-26 + 13w] = 0

Solving
-26 + 13w = 0

Solving for variable 'w'.

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

Add '26' to each side of the equation.
-26 + 26 + 13w = 0 + 26

Combine like terms: -26 + 26 = 0
0 + 13w = 0 + 26
13w = 0 + 26

Combine like terms: 0 + 26 = 26
13w = 26

Divide each side by '13'.
w = 2

Simplifying
w = 2

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