a-11=-18

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Solution for a-11=-18 equation: 


Simplifying
a + -11 = -18

Reorder the terms:
-11 + a = -18

Solving
-11 + a = -18

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 11 + a = -18 + 11

Combine like terms: -11 + 11 = 0
0 + a = -18 + 11
a = -18 + 11

Combine like terms: -18 + 11 = -7
a = -7

Simplifying
a = -7

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