3a=20-2a

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Solution for 3a=20-2a equation: 


Simplifying
3a = 20 + -2a

Solving
3a = 20 + -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.
3a + 2a = 20 + -2a + 2a

Combine like terms: 3a + 2a = 5a
5a = 20 + -2a + 2a

Combine like terms: -2a + 2a = 0
5a = 20 + 0
5a = 20

Divide each side by '5'.
a = 4

Simplifying
a = 4

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