2a+39=75-4a

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Solution for 2a+39=75-4a equation:


Simplifying
2a + 39 = 75 + -4a

Reorder the terms:
39 + 2a = 75 + -4a

Solving
39 + 2a = 75 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
39 + 2a + 4a = 75 + -4a + 4a

Combine like terms: 2a + 4a = 6a
39 + 6a = 75 + -4a + 4a

Combine like terms: -4a + 4a = 0
39 + 6a = 75 + 0
39 + 6a = 75

Add '-39' to each side of the equation.
39 + -39 + 6a = 75 + -39

Combine like terms: 39 + -39 = 0
0 + 6a = 75 + -39
6a = 75 + -39

Combine like terms: 75 + -39 = 36
6a = 36

Divide each side by '6'.
a = 6

Simplifying
a = 6

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