-18+a=-40

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Solution for -18+a=-40 equation: 


Simplifying
-18 + a = -40

Solving
-18 + a = -40

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + a = -40 + 18

Combine like terms: -18 + 18 = 0
0 + a = -40 + 18
a = -40 + 18

Combine like terms: -40 + 18 = -22
a = -22

Simplifying
a = -22

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