-(-6+a)=-1

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Solution for -(-6+a)=-1 equation: 


Simplifying
-1(-6 + a) = -1
(-6 * -1 + a * -1) = -1
(6 + -1a) = -1

Solving
6 + -1a = -1

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + -1a = -1 + -6

Combine like terms: 6 + -6 = 0
0 + -1a = -1 + -6
-1a = -1 + -6

Combine like terms: -1 + -6 = -7
-1a = -7

Divide each side by '-1'.
a = 7

Simplifying
a = 7

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