12-11a=45

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Solution for 12-11a=45 equation: 


Simplifying
12 + -11a = 45

Solving
12 + -11a = 45

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + -11a = 45 + -12

Combine like terms: 12 + -12 = 0
0 + -11a = 45 + -12
-11a = 45 + -12

Combine like terms: 45 + -12 = 33
-11a = 33

Divide each side by '-11'.
a = -3

Simplifying
a = -3

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