a-(-6)=-18

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Solution for a-(-6)=-18 equation: 


Simplifying
a + -1(-6) = -18

Multiply -1 * -6
a + 6 = -18

Reorder the terms:
6 + a = -18

Solving
6 + a = -18

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 + a = -18 + -6

Combine like terms: 6 + -6 = 0
0 + a = -18 + -6
a = -18 + -6

Combine like terms: -18 + -6 = -24
a = -24

Simplifying
a = -24

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