2a=18-2a

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Solution for 2a=18-2a equation: 


Simplifying
2a = 18 + -2a

Solving
2a = 18 + -2a

Solving for variable 'a'.

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

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

Combine like terms: 2a + 2a = 4a
4a = 18 + -2a + 2a

Combine like terms: -2a + 2a = 0
4a = 18 + 0
4a = 18

Divide each side by '4'.
a = 4.5

Simplifying
a = 4.5

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