9+10a=12a+9

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Solution for 9+10a=12a+9 equation:


Simplifying
9 + 10a = 12a + 9

Reorder the terms:
9 + 10a = 9 + 12a

Add '-9' to each side of the equation.
9 + -9 + 10a = 9 + -9 + 12a

Combine like terms: 9 + -9 = 0
0 + 10a = 9 + -9 + 12a
10a = 9 + -9 + 12a

Combine like terms: 9 + -9 = 0
10a = 0 + 12a
10a = 12a

Solving
10a = 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
10a + -12a = 12a + -12a

Combine like terms: 10a + -12a = -2a
-2a = 12a + -12a

Combine like terms: 12a + -12a = 0
-2a = 0

Divide each side by '-2'.
a = 0

Simplifying
a = 0

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