8-0.5a=18

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Solution for 8-0.5a=18 equation: 


Simplifying
8 + -0.5a = 18

Solving
8 + -0.5a = 18

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 + -0.5a = 18 + -8

Combine like terms: 8 + -8 = 0
0 + -0.5a = 18 + -8
-0.5a = 18 + -8

Combine like terms: 18 + -8 = 10
-0.5a = 10

Divide each side by '-0.5'.
a = -20

Simplifying
a = -20

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