10a-6.6=9a+6.4

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Solution for 10a-6.6=9a+6.4 equation:


Simplifying
10a + -6.6 = 9a + 6.4

Reorder the terms:
-6.6 + 10a = 9a + 6.4

Reorder the terms:
-6.6 + 10a = 6.4 + 9a

Solving
-6.6 + 10a = 6.4 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-6.6 + 10a + -9a = 6.4 + 9a + -9a

Combine like terms: 10a + -9a = 1a
-6.6 + 1a = 6.4 + 9a + -9a

Combine like terms: 9a + -9a = 0
-6.6 + 1a = 6.4 + 0
-6.6 + 1a = 6.4

Add '6.6' to each side of the equation.
-6.6 + 6.6 + 1a = 6.4 + 6.6

Combine like terms: -6.6 + 6.6 = 0.0
0.0 + 1a = 6.4 + 6.6
1a = 6.4 + 6.6

Combine like terms: 6.4 + 6.6 = 13
1a = 13

Divide each side by '1'.
a = 13

Simplifying
a = 13

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