6a-10+4a+9=39

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Solution for 6a-10+4a+9=39 equation:


Simplifying
6a + -10 + 4a + 9 = 39

Reorder the terms:
-10 + 9 + 6a + 4a = 39

Combine like terms: -10 + 9 = -1
-1 + 6a + 4a = 39

Combine like terms: 6a + 4a = 10a
-1 + 10a = 39

Solving
-1 + 10a = 39

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 10a = 39 + 1

Combine like terms: -1 + 1 = 0
0 + 10a = 39 + 1
10a = 39 + 1

Combine like terms: 39 + 1 = 40
10a = 40

Divide each side by '10'.
a = 4

Simplifying
a = 4

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