8-2a=27

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Solution for 8-2a=27 equation: 


Simplifying
8 + -2a = 27

Solving
8 + -2a = 27

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + -2a = 27 + -8

Combine like terms: 8 + -8 = 0
0 + -2a = 27 + -8
-2a = 27 + -8

Combine like terms: 27 + -8 = 19
-2a = 19

Divide each side by '-2'.
a = -9.5

Simplifying
a = -9.5

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