a+39=2a

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Solution for a+39=2a equation:


Simplifying
a + 39 = 2a

Reorder the terms:
39 + a = 2a

Solving
39 + a = 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.
39 + a + -2a = 2a + -2a

Combine like terms: a + -2a = -1a
39 + -1a = 2a + -2a

Combine like terms: 2a + -2a = 0
39 + -1a = 0

Add '-39' to each side of the equation.
39 + -39 + -1a = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -1a = 0 + -39
-1a = 0 + -39

Combine like terms: 0 + -39 = -39
-1a = -39

Divide each side by '-1'.
a = 39

Simplifying
a = 39

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