-(13+a)=-19

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Solution for -(13+a)=-19 equation: 


Simplifying
-1(13 + a) = -19
(13 * -1 + a * -1) = -19
(-13 + -1a) = -19

Solving
-13 + -1a = -19

Solving for variable 'a'.

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

Add '13' to each side of the equation.
-13 + 13 + -1a = -19 + 13

Combine like terms: -13 + 13 = 0
0 + -1a = -19 + 13
-1a = -19 + 13

Combine like terms: -19 + 13 = -6
-1a = -6

Divide each side by '-1'.
a = 6

Simplifying
a = 6

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