-10(2+w)=20

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Solution for -10(2+w)=20 equation: 


Simplifying
-10(2 + w) = 20
(2 * -10 + w * -10) = 20
(-20 + -10w) = 20

Solving
-20 + -10w = 20

Solving for variable 'w'.

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

Add '20' to each side of the equation.
-20 + 20 + -10w = 20 + 20

Combine like terms: -20 + 20 = 0
0 + -10w = 20 + 20
-10w = 20 + 20

Combine like terms: 20 + 20 = 40
-10w = 40

Divide each side by '-10'.
w = -4

Simplifying
w = -4

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