9a-9.1=8a+6.9

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Solution for 9a-9.1=8a+6.9 equation: 


Simplifying
9a + -9.1 = 8a + 6.9

Reorder the terms:
-9.1 + 9a = 8a + 6.9

Reorder the terms:
-9.1 + 9a = 6.9 + 8a

Solving
-9.1 + 9a = 6.9 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-9.1 + 9a + -8a = 6.9 + 8a + -8a

Combine like terms: 9a + -8a = 1a
-9.1 + 1a = 6.9 + 8a + -8a

Combine like terms: 8a + -8a = 0
-9.1 + 1a = 6.9 + 0
-9.1 + 1a = 6.9

Add '9.1' to each side of the equation.
-9.1 + 9.1 + 1a = 6.9 + 9.1

Combine like terms: -9.1 + 9.1 = 0.0
0.0 + 1a = 6.9 + 9.1
1a = 6.9 + 9.1

Combine like terms: 6.9 + 9.1 = 16
1a = 16

Divide each side by '1'.
a = 16

Simplifying
a = 16

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