400-18a=886

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Solution for 400-18a=886 equation:


Simplifying
400 + -18a = 886

Solving
400 + -18a = 886

Solving for variable 'a'.

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

Add '-400' to each side of the equation.
400 + -400 + -18a = 886 + -400

Combine like terms: 400 + -400 = 0
0 + -18a = 886 + -400
-18a = 886 + -400

Combine like terms: 886 + -400 = 486
-18a = 486

Divide each side by '-18'.
a = -27

Simplifying
a = -27

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