2+8a=18

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Solution for 2+8a=18 equation: 


Simplifying
2 + 8a = 18

Solving
2 + 8a = 18

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 8a = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 8a = 18 + -2
8a = 18 + -2

Combine like terms: 18 + -2 = 16
8a = 16

Divide each side by '8'.
a = 2

Simplifying
a = 2

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