2a+8=9

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Solution for 2a+8=9 equation:


Simplifying
2a + 8 = 9

Reorder the terms:
8 + 2a = 9

Solving
8 + 2a = 9

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 = 9 + -8

Combine like terms: 8 + -8 = 0
0 + 2a = 9 + -8
2a = 9 + -8

Combine like terms: 9 + -8 = 1
2a = 1

Divide each side by '2'.
a = 0.5

Simplifying
a = 0.5

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