7a+39=2a

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Solution for 7a+39=2a equation:


Simplifying
7a + 39 = 2a

Reorder the terms:
39 + 7a = 2a

Solving
39 + 7a = 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 + 7a + -2a = 2a + -2a

Combine like terms: 7a + -2a = 5a
39 + 5a = 2a + -2a

Combine like terms: 2a + -2a = 0
39 + 5a = 0

Add '-39' to each side of the equation.
39 + -39 + 5a = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 5a = 0 + -39
5a = 0 + -39

Combine like terms: 0 + -39 = -39
5a = -39

Divide each side by '5'.
a = -7.8

Simplifying
a = -7.8

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