18+3a=9a

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Solution for 18+3a=9a equation:


Simplifying
18 + 3a = 9a

Solving
18 + 3a = 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
18 + 3a + -9a = 9a + -9a

Combine like terms: 3a + -9a = -6a
18 + -6a = 9a + -9a

Combine like terms: 9a + -9a = 0
18 + -6a = 0

Add '-18' to each side of the equation.
18 + -18 + -6a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -6a = 0 + -18
-6a = 0 + -18

Combine like terms: 0 + -18 = -18
-6a = -18

Divide each side by '-6'.
a = 3

Simplifying
a = 3

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